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INDEX PAGE

1 SCOPE 3

2 COVERAGE 3

3 SERVICE CONDITIONS 331 Sour Service 3

32 Associated Service Conditions 4

4 MATERIALS 4

41 General 4

42 Carbon Carbon Manganese and Low-Alloy Steel

Pressure Vessels 7

43 Carbon Carbon Manganese and Low Alloy Steel

Heat-Exchanger Tube Bundles 7

44 Carbon and Carbon Manganese Steel Process Pipework 845 Hydrogen Induced Step Cracking (HIC) Tests 9

46 Steel Pipes for Major Pipeline Construction 10

47 Stainless Steel Pipework 10

48 Pipe Flanges and Fittings (Forged or Fabricated)

in Carbon Steel 10

49 Downhole Tubulars Wellheads Christmas Trees

and Completion Equipment 11

410 Valves 11

411 Rotating Machinery 13

412 Instrumentation 16

413 Internal Bolting 17

414 External Bolting 17

415 Bellows 18

416 Metallic Overlays 18

5 WELDING AND FABRICATION 18

51 Approval of Heat-Treatment Procedure 18

52 Small Bore Carbon Steel Pipework [Less than

DN 75 mm (3 inch) NPS] 19

53 Possible Avoidance of Post Weld Heat Treatment 19

54 Welding Procedure Qualification Tests 20

6 IDENTIFICATION STAMPING AND MARKING 21

61 Hard Stamps 21

62 Marking 21

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7 INSPECTION 21

8 EXTERNAL PROTECTION - STAINLESS STEELS 22

APPENDIX A

Prevention of Stress Corrosion Cracking in Sour

Service with ChloridesRequirements for Austentic Stainless Steels 23

APPENDIX B

Prevention of Stress Corrosion Cracking in Sour

Service with Caustic or other Alkaline Process Fluids 24

APPENDIX C

Specification for Steel Plate (Z Quality) 26

APPENDIX D

Abbreviations 31

APPENDIX E

List of Reference Standards 32

GENERAL NOTE

Portions of this Specification have been changed from

the previous edition The locations of changes have

been marked with a bar in the margin as shown to theright of this paragraph In some cases the changes are

significant while in other cases the changes

reflect minor editorial adjustments

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1 SCOPE

11 This Specification states ADMA-OPCO general requirements on materials

of construction for equipment handling fluids containing water and hydrogen

sulphide (sour environments) All materials shall meet the requirements of

NACE Standard MR0175 (subsequently referred to in this document as the

NACE Standard) except as amplified and modified herein

2 COVERAGE

21 The NACE Standard defines sour service and recommends materials which

will not fail by sulphide stress cracking (SSC) in sour environments However

it does not cover certain sour duties nor associated failure mechanisms in sour

service

This Specification modifies and extends where necessary the requirements of

the NACE Standard providing additional guidance for materials on sourservice in the presence of hydrogen chlorides alkalis and amines

3 SERVICE CONDITIONS

31 Sour Service

311 The definitions for sour services by NACE Standard MR0175 are

accepted by ADMA-OPCO for systems with less than 10 mol H2S

All systems with 10 mol or more of H2S are regarded as sour in this

Specification irrespective of the operating pressure and temperature

NB

Where the NACE Standard refers to total pressure this shall be

taken to mean total design pressure in the context of this Specification

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32 Associated Service Conditions

321 This Specification states as listed below certain additional requirements

that apply for sour service in the presence of hydrogen chlorides

alkalis and amines ADMA-OPCO will specify when these service

conditions are applicable-

a Where the presence of hydrogen resulting from sour service

could lead not only to SSC but also hydrogen blistering or

step cracking Consideration shall be given to employing Z

quality grades of steel materials and these shall conform to

the requirements of the Appendix C of this specification

b Where chlorides are present in sour service but where the

chloride level and PH etc permit the use of austenitic stainless

steels Appendix A of this Specification shall apply

c For sour service in association with alkalis or amines the

requirements of Appendix B shall apply as appropriate

4 MATERIALS

All materials for sour service as defined in this Specification shall comply fully with

the NACE Standard except as modified or extended below

41 General

Materials shall be selected from those permitted in the NACE Standard

411 All castings shall be suitably heat treated after welding operations

have been performed This requirement also applies to the weld repair

of defects irrespective of size The practice of leaving lsquoas welded

areas in castings to be used for sour service is unacceptable to

ADMA-OPCO

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All repair welds shall be heat treated as indicated in the following table-

MATERIAL HEAT TREATMENT REQUIREMENT

a Carbon and Carbon Stress Relieve

Manganese Steels

b Martensitic Stainless Reheat treat completely

Steels eg 11-13 or double temper to the

Chromium Steel NACE requirements

c Austenitic Stainless Stress Relieve or Solution

Steel Anneal

412 Cast irons and ferritic ductile (nodular) iron eg ASTM A 395 are

unacceptable for pressure-retaining parts The use of these materials

for non-pressure low stressed components shall be subject to approval

by ADMA-OPCOQAD Austenitic irons are also unacceptable for

pressure-retaining parts except as permitted by para 4112 (b) none

of these materials shall be weld repaired

413 The selection of materials for a particular sour duty shall take into

account not only any requirements arising from para 321 of this

Specification but also resistance to general corrosion

The pH value of the process stream and the presence or absence of

corrodents such as Oxygen carbon dioxide chlorides etc are of

particular importance

414 When the chloride content and the corrosive conditions are such that

they cannot be handled by austenitic steels (refer to para 321) more

highly alloyed materials such as Incoloy 825 Inconel 625 Hastelloy C

etc shall be selected according to the process conditions

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415 Where the process duty is such that a wet gas environment exists in

one part of the vessel and multiphase (oil gas water) system exists in

another part of the same vessel the material of construction for the

entire vessel shall be suitable for the more severe sour gas conditions

416 High strength steels at high levels of stress such as internal boltings

springs bellows and parts of some rotating machinery require specificattention Experience has shown that they are susceptible to SSC in

lower concentrations of wet hydrogen sulphide than indicated by the

NACE Standard definition These components shall therefore

comply with the NACE Standard when in contact with any concentration

of wet hydrogen sulphide

417 Where hydrogen blistering or step cracking may occur steel grades

with additional chemical composition limits and guaranteed through

thickness mechanical properties such as Z30 quality steel grades to

the requirements of Appendix C of this specification should beconsidered

Inhibiting the process stream or applying a protective lining to the steel

surface can also be considered

418 Nitrile rubbers are unacceptable but fluorelastomers eg Viton and

PTFE may be proposed for approval by ADMA-OPCOQAD All non-

metallic materials proposed for O rings seals seal rings etc shall be

tested and proved suitable for the environment before use

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42 Carbon Carbon Manganese and Low Alloy Steel Pressure Vessel

421 Unless otherwise approved by AMDA-OPCO QAD pressure vessels

including heat exchanger shells channels and floating heads shall be

stress relieved Where hydrogen sulphide contents in excess of 10

MOL are encountered stress relief is mandatory in all cases

422 Stress-relieving and heat-treatment procedures shall be as required by

the appropriate design code and ADMA-OPCO Specification SP-1035

423 Steel grades with additional chemical composition limits and

guaranteed through thickness mechanical properties (ie Z30

grades Appendix C) or HIC tested plate in accordance with 45

of this Specification shall be used for all pressure vessels on

sour service

424 Internal bolting eg floating head bolts and nuts of heat exchangerssubject to sour environments shall be selected to be resistant to SSC

(see sub-section 413 of this Specification)

425 Pressure vessels on sour service in materials other than carbon carbon

manganese and low-alloy steels eg austenitic stainless steels clad

plate etc shall be subject to ADMA-OPCOQAD specification andor

approval

43 Carbon Carbon Manganese and Low-Alloy Steel Heat Exchanger

Tube Bundles

431 Where tube end welding is specified special fabrication procedure are

necessary

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32 Associated Service Conditions

321 This Specification states as listed below certain additional requirements

that apply for sour service in the presence of hydrogen chlorides

alkalis and amines ADMA-OPCO will specify when these service

conditions are applicable-

a Where the presence of hydrogen resulting from sour service

could lead not only to SSC but also hydrogen blistering or

step cracking Consideration shall be given to employing Z

quality grades of steel materials and these shall conform to

the requirements of the Appendix C of this specification

b Where chlorides are present in sour service but where the

chloride level and PH etc permit the use of austenitic stainless

steels Appendix A of this Specification shall apply

c For sour service in association with alkalis or amines the

requirements of Appendix B shall apply as appropriate

4 MATERIALS

All materials for sour service as defined in this Specification shall comply fully with

the NACE Standard except as modified or extended below

41 General

Materials shall be selected from those permitted in the NACE Standard

411 All castings shall be suitably heat treated after welding operations

have been performed This requirement also applies to the weld repair

of defects irrespective of size The practice of leaving lsquoas welded

areas in castings to be used for sour service is unacceptable to

ADMA-OPCO

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All repair welds shall be heat treated as indicated in the following table-

MATERIAL HEAT TREATMENT REQUIREMENT

a Carbon and Carbon Stress Relieve

Manganese Steels

b Martensitic Stainless Reheat treat completely

Steels eg 11-13 or double temper to the

Chromium Steel NACE requirements

c Austenitic Stainless Stress Relieve or Solution

Steel Anneal

412 Cast irons and ferritic ductile (nodular) iron eg ASTM A 395 are

unacceptable for pressure-retaining parts The use of these materials

for non-pressure low stressed components shall be subject to approval

by ADMA-OPCOQAD Austenitic irons are also unacceptable for

pressure-retaining parts except as permitted by para 4112 (b) none

of these materials shall be weld repaired

413 The selection of materials for a particular sour duty shall take into

account not only any requirements arising from para 321 of this

Specification but also resistance to general corrosion

The pH value of the process stream and the presence or absence of

corrodents such as Oxygen carbon dioxide chlorides etc are of

particular importance

414 When the chloride content and the corrosive conditions are such that

they cannot be handled by austenitic steels (refer to para 321) more

highly alloyed materials such as Incoloy 825 Inconel 625 Hastelloy C

etc shall be selected according to the process conditions

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415 Where the process duty is such that a wet gas environment exists in

one part of the vessel and multiphase (oil gas water) system exists in

another part of the same vessel the material of construction for the

entire vessel shall be suitable for the more severe sour gas conditions

416 High strength steels at high levels of stress such as internal boltings

springs bellows and parts of some rotating machinery require specificattention Experience has shown that they are susceptible to SSC in

lower concentrations of wet hydrogen sulphide than indicated by the

NACE Standard definition These components shall therefore

comply with the NACE Standard when in contact with any concentration

of wet hydrogen sulphide

417 Where hydrogen blistering or step cracking may occur steel grades

with additional chemical composition limits and guaranteed through

thickness mechanical properties such as Z30 quality steel grades to

the requirements of Appendix C of this specification should beconsidered

Inhibiting the process stream or applying a protective lining to the steel

surface can also be considered

418 Nitrile rubbers are unacceptable but fluorelastomers eg Viton and

PTFE may be proposed for approval by ADMA-OPCOQAD All non-

metallic materials proposed for O rings seals seal rings etc shall be

tested and proved suitable for the environment before use

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42 Carbon Carbon Manganese and Low Alloy Steel Pressure Vessel

421 Unless otherwise approved by AMDA-OPCO QAD pressure vessels

including heat exchanger shells channels and floating heads shall be

stress relieved Where hydrogen sulphide contents in excess of 10

MOL are encountered stress relief is mandatory in all cases

422 Stress-relieving and heat-treatment procedures shall be as required by

the appropriate design code and ADMA-OPCO Specification SP-1035

423 Steel grades with additional chemical composition limits and

guaranteed through thickness mechanical properties (ie Z30

grades Appendix C) or HIC tested plate in accordance with 45

of this Specification shall be used for all pressure vessels on

sour service

424 Internal bolting eg floating head bolts and nuts of heat exchangerssubject to sour environments shall be selected to be resistant to SSC

(see sub-section 413 of this Specification)

425 Pressure vessels on sour service in materials other than carbon carbon

manganese and low-alloy steels eg austenitic stainless steels clad

plate etc shall be subject to ADMA-OPCOQAD specification andor

approval

43 Carbon Carbon Manganese and Low-Alloy Steel Heat Exchanger

Tube Bundles

431 Where tube end welding is specified special fabrication procedure are

necessary

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All repair welds shall be heat treated as indicated in the following table-

MATERIAL HEAT TREATMENT REQUIREMENT

a Carbon and Carbon Stress Relieve

Manganese Steels

b Martensitic Stainless Reheat treat completely

Steels eg 11-13 or double temper to the

Chromium Steel NACE requirements

c Austenitic Stainless Stress Relieve or Solution

Steel Anneal

412 Cast irons and ferritic ductile (nodular) iron eg ASTM A 395 are

unacceptable for pressure-retaining parts The use of these materials

for non-pressure low stressed components shall be subject to approval

by ADMA-OPCOQAD Austenitic irons are also unacceptable for

pressure-retaining parts except as permitted by para 4112 (b) none

of these materials shall be weld repaired

413 The selection of materials for a particular sour duty shall take into

account not only any requirements arising from para 321 of this

Specification but also resistance to general corrosion

The pH value of the process stream and the presence or absence of

corrodents such as Oxygen carbon dioxide chlorides etc are of

particular importance

414 When the chloride content and the corrosive conditions are such that

they cannot be handled by austenitic steels (refer to para 321) more

highly alloyed materials such as Incoloy 825 Inconel 625 Hastelloy C

etc shall be selected according to the process conditions

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415 Where the process duty is such that a wet gas environment exists in

one part of the vessel and multiphase (oil gas water) system exists in

another part of the same vessel the material of construction for the

entire vessel shall be suitable for the more severe sour gas conditions

416 High strength steels at high levels of stress such as internal boltings

springs bellows and parts of some rotating machinery require specificattention Experience has shown that they are susceptible to SSC in

lower concentrations of wet hydrogen sulphide than indicated by the

NACE Standard definition These components shall therefore

comply with the NACE Standard when in contact with any concentration

of wet hydrogen sulphide

417 Where hydrogen blistering or step cracking may occur steel grades

with additional chemical composition limits and guaranteed through

thickness mechanical properties such as Z30 quality steel grades to

the requirements of Appendix C of this specification should beconsidered

Inhibiting the process stream or applying a protective lining to the steel

surface can also be considered

418 Nitrile rubbers are unacceptable but fluorelastomers eg Viton and

PTFE may be proposed for approval by ADMA-OPCOQAD All non-

metallic materials proposed for O rings seals seal rings etc shall be

tested and proved suitable for the environment before use

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42 Carbon Carbon Manganese and Low Alloy Steel Pressure Vessel

421 Unless otherwise approved by AMDA-OPCO QAD pressure vessels

including heat exchanger shells channels and floating heads shall be

stress relieved Where hydrogen sulphide contents in excess of 10

MOL are encountered stress relief is mandatory in all cases

422 Stress-relieving and heat-treatment procedures shall be as required by

the appropriate design code and ADMA-OPCO Specification SP-1035

423 Steel grades with additional chemical composition limits and

guaranteed through thickness mechanical properties (ie Z30

grades Appendix C) or HIC tested plate in accordance with 45

of this Specification shall be used for all pressure vessels on

sour service

424 Internal bolting eg floating head bolts and nuts of heat exchangerssubject to sour environments shall be selected to be resistant to SSC

(see sub-section 413 of this Specification)

425 Pressure vessels on sour service in materials other than carbon carbon

manganese and low-alloy steels eg austenitic stainless steels clad

plate etc shall be subject to ADMA-OPCOQAD specification andor

approval

43 Carbon Carbon Manganese and Low-Alloy Steel Heat Exchanger

Tube Bundles

431 Where tube end welding is specified special fabrication procedure are

necessary

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415 Where the process duty is such that a wet gas environment exists in

one part of the vessel and multiphase (oil gas water) system exists in

another part of the same vessel the material of construction for the

entire vessel shall be suitable for the more severe sour gas conditions

416 High strength steels at high levels of stress such as internal boltings

springs bellows and parts of some rotating machinery require specificattention Experience has shown that they are susceptible to SSC in

lower concentrations of wet hydrogen sulphide than indicated by the

NACE Standard definition These components shall therefore

comply with the NACE Standard when in contact with any concentration

of wet hydrogen sulphide

417 Where hydrogen blistering or step cracking may occur steel grades

with additional chemical composition limits and guaranteed through

thickness mechanical properties such as Z30 quality steel grades to

the requirements of Appendix C of this specification should beconsidered

Inhibiting the process stream or applying a protective lining to the steel

surface can also be considered

418 Nitrile rubbers are unacceptable but fluorelastomers eg Viton and

PTFE may be proposed for approval by ADMA-OPCOQAD All non-

metallic materials proposed for O rings seals seal rings etc shall be

tested and proved suitable for the environment before use

1 10-92 GENERAL REVISION

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42 Carbon Carbon Manganese and Low Alloy Steel Pressure Vessel

421 Unless otherwise approved by AMDA-OPCO QAD pressure vessels

including heat exchanger shells channels and floating heads shall be

stress relieved Where hydrogen sulphide contents in excess of 10

MOL are encountered stress relief is mandatory in all cases

422 Stress-relieving and heat-treatment procedures shall be as required by

the appropriate design code and ADMA-OPCO Specification SP-1035

423 Steel grades with additional chemical composition limits and

guaranteed through thickness mechanical properties (ie Z30

grades Appendix C) or HIC tested plate in accordance with 45

of this Specification shall be used for all pressure vessels on

sour service

424 Internal bolting eg floating head bolts and nuts of heat exchangerssubject to sour environments shall be selected to be resistant to SSC

(see sub-section 413 of this Specification)

425 Pressure vessels on sour service in materials other than carbon carbon

manganese and low-alloy steels eg austenitic stainless steels clad

plate etc shall be subject to ADMA-OPCOQAD specification andor

approval

43 Carbon Carbon Manganese and Low-Alloy Steel Heat Exchanger

Tube Bundles

431 Where tube end welding is specified special fabrication procedure are

necessary

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42 Carbon Carbon Manganese and Low Alloy Steel Pressure Vessel

421 Unless otherwise approved by AMDA-OPCO QAD pressure vessels

including heat exchanger shells channels and floating heads shall be

stress relieved Where hydrogen sulphide contents in excess of 10

MOL are encountered stress relief is mandatory in all cases

422 Stress-relieving and heat-treatment procedures shall be as required by

the appropriate design code and ADMA-OPCO Specification SP-1035

423 Steel grades with additional chemical composition limits and

guaranteed through thickness mechanical properties (ie Z30

grades Appendix C) or HIC tested plate in accordance with 45

of this Specification shall be used for all pressure vessels on

sour service

424 Internal bolting eg floating head bolts and nuts of heat exchangerssubject to sour environments shall be selected to be resistant to SSC

(see sub-section 413 of this Specification)

425 Pressure vessels on sour service in materials other than carbon carbon

manganese and low-alloy steels eg austenitic stainless steels clad

plate etc shall be subject to ADMA-OPCOQAD specification andor

approval

43 Carbon Carbon Manganese and Low-Alloy Steel Heat Exchanger

Tube Bundles

431 Where tube end welding is specified special fabrication procedure are

necessary

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In order to avoid high hardnesses in the weld and heat affected zones

either PWHT shall be applied or the tube sheet shall be faced with low

carbon weld metal and stress relieved prior to tube end welding

Irrespective of the fabrication technique adopted the welding

procedure qualification tests shall be in accordance with sub-section

54 of this Specification and to TEMA Standard EEMUA-143 and any

other additional requirements recommended by ADMA-OPCOQADdepending on the project concerned

432 Tube bundles made from materials other than carbon carbon

manganese and low-alloy steels shall be specified by ADMA-OPCO

QAD

44 Carbon and Carbon Manganese Steel Process Pipework

441 Carbon steel pipework shall conform to ANSI B313 and shall be

manufactured by the seamless route to API 5L GrB unless otherwiseapproved by ADMA-OPCOQAD The material shall have a carbon

content of 023 maximum and the CE by check analysis shall not

exceed 042 based on the formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

442 Where the use of welded pipe is necessary due to the large diameter

involved these shall be made from steel grades with additional

chemical composition limits and guaranteed through thickness

mechanical properties (ie Z 30 gr ades Appendix C) or HIC

tested plate in accordance with 45 of this Specification

443 Electric Resistance Welded (ERW) pipes are not acceptable

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444 Unless approved otherwise by ADMA-OPCOQAD welds in carbon

steel pipework for fabrication shall be made to a procedure which will

ensure that the requirements of the NACE Standar d are met without the

necessity for PWHT as outlined in sub-section 53 of this Specification

445 In some cases however PWHT may be the preferred method for

achieving the required properties Unless approved otherwise byADMA -OPCO QAD all pipework exceeding 19 mm (0750 in)

wall thickness for sour duties irrespective of location shall receive a

PWHT

446 Certificates shall be submitted for approval by ADMA-OPCOQAD

These shall include material manufacturers test certificates PWHT

charts where applicable and welding procedure qualification test results

incorporating hardness survey results on etched macro sections The

hardness surveys shall follow the procedure outlined in para 544 and

545 of this Specification

45 Hydrogen Induced Step Cracking (HIC) Tests

Where proposed as an alternative to Z 30 grades of steel or where requested

by ADMA-OPCO in the purchase order HIC tests in accordance with the

method and procedure described in NACE Standard TM 02 84 shall be carried

out

The test solution employed for these tests shall be in accordance with NACE

Standard TM 01 77

Acceptance criteria shall be-

- Crack Sensitivity Ratio (CSR) = 3

- Crack Length Ratio (CLR) = 10

- Crack Thickness Ratio (CRR) = 3

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46 Steel Pipes for Major Pipeline Construction

Pipeline materials shall conform to ADMA-OPCO Specification SP-1011

parts 1 2 amp 3 unless otherwise specified by ADMA-OPCOQAD

47 Stainless Steel Pipework

471 Irrespective of pipe size and wall thickness welds in such materials

shall be subjected to PWHT

472 All heat treatment of stainless steel pipework shall be subject to

approval by ADMA-OPCOQAD

48 Pipe Flanges and Fittings (Forged or Fabricated in Carbon Steel)

Flanges and fittings material shall comply with the appropriate design code

requirements unless otherwise specified by ADMA-OPCOQAD All flangesand fittings shall also comply with the following mandatory requirements

481 Process of Manufacture-

a Irrespective of the requirements of the relevant design code all

flanges and seamless fittings shall be supplied in the fully

normalised condition or alternatively quenched and tempered

b Fabricated carbon steel fittings shall be manufactured from

plate meeting the Z30 grade requirements (Appendix C) or

HIC tested material in accordance with 45 of this Specification

Post weld heat treatment in the stress relieving range of

temperature ie 580 C - 620 C for 1 hr per 25 mm of

thickness shall be carried out

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444 Unless approved otherwise by ADMA-OPCOQAD welds in carbon

steel pipework for fabrication shall be made to a procedure which will

ensure that the requirements of the NACE Standar d are met without the

necessity for PWHT as outlined in sub-section 53 of this Specification

445 In some cases however PWHT may be the preferred method for

achieving the required properties Unless approved otherwise byADMA -OPCO QAD all pipework exceeding 19 mm (0750 in)

wall thickness for sour duties irrespective of location shall receive a

PWHT

446 Certificates shall be submitted for approval by ADMA-OPCOQAD

These shall include material manufacturers test certificates PWHT

charts where applicable and welding procedure qualification test results

incorporating hardness survey results on etched macro sections The

hardness surveys shall follow the procedure outlined in para 544 and

545 of this Specification

45 Hydrogen Induced Step Cracking (HIC) Tests

Where proposed as an alternative to Z 30 grades of steel or where requested

by ADMA-OPCO in the purchase order HIC tests in accordance with the

method and procedure described in NACE Standard TM 02 84 shall be carried

out

The test solution employed for these tests shall be in accordance with NACE

Standard TM 01 77

Acceptance criteria shall be-

- Crack Sensitivity Ratio (CSR) = 3

- Crack Length Ratio (CLR) = 10

- Crack Thickness Ratio (CRR) = 3

1 10-92 GENERAL REVISION

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46 Steel Pipes for Major Pipeline Construction

Pipeline materials shall conform to ADMA-OPCO Specification SP-1011

parts 1 2 amp 3 unless otherwise specified by ADMA-OPCOQAD

47 Stainless Steel Pipework

471 Irrespective of pipe size and wall thickness welds in such materials

shall be subjected to PWHT

472 All heat treatment of stainless steel pipework shall be subject to

approval by ADMA-OPCOQAD

48 Pipe Flanges and Fittings (Forged or Fabricated in Carbon Steel)

Flanges and fittings material shall comply with the appropriate design code

requirements unless otherwise specified by ADMA-OPCOQAD All flangesand fittings shall also comply with the following mandatory requirements

481 Process of Manufacture-

a Irrespective of the requirements of the relevant design code all

flanges and seamless fittings shall be supplied in the fully

normalised condition or alternatively quenched and tempered

b Fabricated carbon steel fittings shall be manufactured from

plate meeting the Z30 grade requirements (Appendix C) or

HIC tested material in accordance with 45 of this Specification

Post weld heat treatment in the stress relieving range of

temperature ie 580 C - 620 C for 1 hr per 25 mm of

thickness shall be carried out

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46 Steel Pipes for Major Pipeline Construction

Pipeline materials shall conform to ADMA-OPCO Specification SP-1011

parts 1 2 amp 3 unless otherwise specified by ADMA-OPCOQAD

47 Stainless Steel Pipework

471 Irrespective of pipe size and wall thickness welds in such materials

shall be subjected to PWHT

472 All heat treatment of stainless steel pipework shall be subject to

approval by ADMA-OPCOQAD

48 Pipe Flanges and Fittings (Forged or Fabricated in Carbon Steel)

Flanges and fittings material shall comply with the appropriate design code

requirements unless otherwise specified by ADMA-OPCOQAD All flangesand fittings shall also comply with the following mandatory requirements

481 Process of Manufacture-

a Irrespective of the requirements of the relevant design code all

flanges and seamless fittings shall be supplied in the fully

normalised condition or alternatively quenched and tempered

b Fabricated carbon steel fittings shall be manufactured from

plate meeting the Z30 grade requirements (Appendix C) or

HIC tested material in accordance with 45 of this Specification

Post weld heat treatment in the stress relieving range of

temperature ie 580 C - 620 C for 1 hr per 25 mm of

thickness shall be carried out

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c Fabricated fittings shall be welded by the manual metal arc

process or the submerged-arc process

d A detailed welding procedure including electrical parameters

electrode type wire and flux chemical composition shall be

submitted to ADMA-OPCOQAD for approval

482 Chemical Composition

a All materials shall conform to a maximum carbon content of

025 and a maximum sulphur content of 0025 by check

analysis

b The manufacturer shall provide a mill certificate showing the

composition of each heat of steel supplied

483 Hardness

The supplier shall demonstrate that the hardness does not exceed 248

HV 10 kg on any of the fittings and in particular on fabricated fittings

a parent HAZ weld HAZ parent metal survey shall be carried out at

10 to 15 mm below outer and inner surface

49 Downhole Tubulars Wellheads Christmas Trees and Completion Equipment

The materials requirements for these items are specified in the relevant

ADMA-OPCO Standards STD-122 STD-123 STD-124 and STD-125

respectively

410 Valves

4101 Valves materials selection and fabrication procedures shall be in

accordance with the latest revision of the NACE Standard and to this

Specification

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4102 Valves for sour service shall be ordered from fully approved

manufacturers suppliers ie have undergone the approval procedure

currently applicable in ADMA-OPCOQAD

4103 Valve types involving full welded body construction are not acceptable

unless otherwise approved by ADMA-OPCO for special applications

(ie sub-sea)

410 Carbon content of socket welding or butt-welding carbon steel bodies

shall be limited to 025 max Carbon equivalent (CE) by check

analysis shall not exceed 042 based on the following formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

4105 All valve parts which can be contacted by the sour environment shall

conform to this Specification and this requirement extends to allinternals as well as the pressure-containing components

Highly stressed items which are not freely vented to atmosphere as in

the case of insulated and buried valves and bolts inside flange

protectors etc where leakage of the process stream could subject the

items to a sour environment shall conform fully to this Specification

4106 Where plated components are employed the material on which the

plating is deposited shall conform with this Specification The plating

employed shall be resistant to the environment Cadmium and zinc

plating are unsuitable as these metals corrode readily when in contact

with hydrogen sulphide

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4107 Where a cast ball is employed weld repair of the ball is not acceptable

4108 All valve springs shall be made from nickel base materials resistant to

SSC Acceptable spring materials are Inconel X750 Nimonic 90 and

Monel K500

4109 In bellows-sealed relief valves the springs shall be in accordance with para 498 above The bellows shall also comply with clause 415 and

para 416 of this Specification

41010 Internal bolting in valves shall be in accordance with clause 413 and

para 416 of S pecification

41011 The packing selected shall be compatible with stem material

Uninhibited graphite or carbon-type packing is unacceptable particularly

when in contact with stainless steel

411 Rotating Machinery

4111 General

a Except as stated in para 4101(c) sour service for rotating

machinery shall be taken as defined in para 31 of this

specification

b The materials selection and fabrication procedures employed

shall comply with this specification as appropriate

c Carbon and carbon manganese steel plate for fabricated

compressor casing shall be Z30 quality (see Appendix C) or

HIC tested in accordance with 45 of this Specification

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d All fabrication welds and repair welds shall be heat treated as

listed below unless otherwise specified by ADMA-OPCOQAD

MATERIAL HEAT TREATMENT REQUIREMENT

dl Carbon and carbon PWHT at 580620 Cmanganese steels (10761148 F)

d2 Low alloy steels PWHT shall be in accordance

with the appropriate design code

d3 Martensitic stainless Re- heat completely including

steel (11-13 chromium double temper For certain welds

steel) complete heat treatment is not possible

and double tempering treatment only

will be acceptable

d4 Austenitic stainless Requires PWHT at 950 C

steel (1740 F) in accordance

with SP-1035

e All components such as internal bolting springs etc shall

comply with the relevant parts of this Specification

f Shafts and piston rods in plain carbon low and medium alloy

and 11-13 chromium steel shall be heat treated to minimise

residual stresses and shall have a hardness not exceeding 248

HV10 Kg (HRC22) and yield stress not exceeding 620 Nmm2

(90 000 lbfin2)

g Shafts in austenitic stainless steel shall be in the solution

annealed condition Where 17Cr-4Ni precipitation hardening

steel is employed it shall conform to the NACE Standard K

Monel and Inconel X-750 shafts shall also be in accordance with

the NACE Standard

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4107 Where a cast ball is employed weld repair of the ball is not acceptable

4108 All valve springs shall be made from nickel base materials resistant to

SSC Acceptable spring materials are Inconel X750 Nimonic 90 and

Monel K500

4109 In bellows-sealed relief valves the springs shall be in accordance with para 498 above The bellows shall also comply with clause 415 and

para 416 of this Specification

41010 Internal bolting in valves shall be in accordance with clause 413 and

para 416 of S pecification

41011 The packing selected shall be compatible with stem material

Uninhibited graphite or carbon-type packing is unacceptable particularly

when in contact with stainless steel

411 Rotating Machinery

4111 General

a Except as stated in para 4101(c) sour service for rotating

machinery shall be taken as defined in para 31 of this

specification

b The materials selection and fabrication procedures employed

shall comply with this specification as appropriate

c Carbon and carbon manganese steel plate for fabricated

compressor casing shall be Z30 quality (see Appendix C) or

HIC tested in accordance with 45 of this Specification

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d All fabrication welds and repair welds shall be heat treated as

listed below unless otherwise specified by ADMA-OPCOQAD

MATERIAL HEAT TREATMENT REQUIREMENT

dl Carbon and carbon PWHT at 580620 Cmanganese steels (10761148 F)

d2 Low alloy steels PWHT shall be in accordance

with the appropriate design code

d3 Martensitic stainless Re- heat completely including

steel (11-13 chromium double temper For certain welds

steel) complete heat treatment is not possible

and double tempering treatment only

will be acceptable

d4 Austenitic stainless Requires PWHT at 950 C

steel (1740 F) in accordance

with SP-1035

e All components such as internal bolting springs etc shall

comply with the relevant parts of this Specification

f Shafts and piston rods in plain carbon low and medium alloy

and 11-13 chromium steel shall be heat treated to minimise

residual stresses and shall have a hardness not exceeding 248

HV10 Kg (HRC22) and yield stress not exceeding 620 Nmm2

(90 000 lbfin2)

g Shafts in austenitic stainless steel shall be in the solution

annealed condition Where 17Cr-4Ni precipitation hardening

steel is employed it shall conform to the NACE Standard K

Monel and Inconel X-750 shafts shall also be in accordance with

the NACE Standard

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d All fabrication welds and repair welds shall be heat treated as

listed below unless otherwise specified by ADMA-OPCOQAD

MATERIAL HEAT TREATMENT REQUIREMENT

dl Carbon and carbon PWHT at 580620 Cmanganese steels (10761148 F)

d2 Low alloy steels PWHT shall be in accordance

with the appropriate design code

d3 Martensitic stainless Re- heat completely including

steel (11-13 chromium double temper For certain welds

steel) complete heat treatment is not possible

and double tempering treatment only

will be acceptable

d4 Austenitic stainless Requires PWHT at 950 C

steel (1740 F) in accordance

with SP-1035

e All components such as internal bolting springs etc shall

comply with the relevant parts of this Specification

f Shafts and piston rods in plain carbon low and medium alloy

and 11-13 chromium steel shall be heat treated to minimise

residual stresses and shall have a hardness not exceeding 248

HV10 Kg (HRC22) and yield stress not exceeding 620 Nmm2

(90 000 lbfin2)

g Shafts in austenitic stainless steel shall be in the solution

annealed condition Where 17Cr-4Ni precipitation hardening

steel is employed it shall conform to the NACE Standard K

Monel and Inconel X-750 shafts shall also be in accordance with

the NACE Standard

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h The straightening of shafts after completion of machining shall

not be commenced without prior approval from ADMA-OPCO

QAD

i Before any attempt is made to rectify machining errors by the

application of metal coatings approval shall be obtained from

ADMA-OPCOQAD However in any case metal coating of the journal area under proximity vibration probes and under impeller

mounting is not acceptable

j All associated equipment eg pressure vessels pipework etc

shall comply with this Specification

k All components in 11-13 chromium steel shall be double

tempered after either normalising or quenching and unless

stated otherwise in this Specification the hardness shall be 248

HV10 Kg (HRC22) maximum in conformity with the NACEStandard

4112 Centrifugal Pumps

a Centrifugal pumps shall conform to API STD 610 and any

other additional requirements specified by ADMA-OPCO

in the Purchase Order

b Austenitic nodular iron to BS 3468 Grade S2 or equivalent is

acceptable in certain cases subject to approval by ADMA-

OPCOQAD Welding of this material including repair welding

is not permitted However this material is not acceptable where

cavitation conditions are expected to occur All castings shall be

proved sound by radiography and they shall be stress relieved at

620670oslashC (11481240oslashF)

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c Shafts in plain carbon and low alloy steels shall be totally

protected form the process stream by corrosion-resistant

sleeves cap nuts (where applicable) etc integrity of such

protection shall be checkedapproved by ADMA-OPCOQAD

Unprotected 11-13 chromium steel may be used only where it

has adequate corrosion resistance to the process fluid

4113 Centrifugal Compressors

a Centrifugal compressors shall conform to API STD 617 and any

other additional requirements specified by ADMA-OPCO in the

Purchase Order

b Fabrication processes which results in cold-worked material

eg riveting of impellers shall not be employed unless prior

approval has been obtained from ADMA-OPCOQAD However

riveted impellers are not acceptable for high speed and highdischarge pressure gas compressors

412 Instrumentation

4121 Instrument piping shall be in accordance with the associated process

line specification unless otherwise specified or approved by ADMA-

OPCO

4122 All instrument bodies manufactured from austenitic stainless steels

shall be in the Solution Annealed condition

4123 Austenitic stainless steel bellows diaphragms Bourdon tubes and other

stainless steel items which cannot be heat treated following welding or

cold forming are not acceptable Alternative materials are Incoloy 825

Incoloy 925 Inconel 625 Monel 400 and Monel K500

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413 Internal Bolting

4131 Internal bolting shall comply with the NACE Standard requirements

when in contact with any concentration of wet H2S (see also para 415 of

this Specification)

4132 Where austenitic stainless steel bolts and nuts are required these itemsshall be free from cold work they shall be solution treated after thread

rolling etc as outlined below-

a Bolts shall be Class lA of ASTM A 193eg B8MA (Type 316)

bolts solution treated after all cold work including thread rolling

b Nuts shall be the A suffix variety of ASTM A 194 eg Grade

8MA (Type 316) solution treated after all hot or cold working

414 External Bolting

4141 Carbon or low alloy steel bolting shall be phosphate treated and PTFE

coated in accordance with ADMA-OPCO Specification SP 1015

Where the use of PTFE coated bolting is impractical zinc plated

bolting in accordance with ASTM B633 or equivalent is acceptable

4142 Due to environmentally induced stress corrosion cracking problems

standard austenitic stainless steel bolting is not acceptable for pressure

containment purposes Alternative high nickel stainless steels or duplex

stainless steels such as Carpenter 20Cb-3 Farralum 255 or PTFE

coated bolting as 4141 above is acceptable

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c Shafts in plain carbon and low alloy steels shall be totally

protected form the process stream by corrosion-resistant

sleeves cap nuts (where applicable) etc integrity of such

protection shall be checkedapproved by ADMA-OPCOQAD

Unprotected 11-13 chromium steel may be used only where it

has adequate corrosion resistance to the process fluid

4113 Centrifugal Compressors

a Centrifugal compressors shall conform to API STD 617 and any

other additional requirements specified by ADMA-OPCO in the

Purchase Order

b Fabrication processes which results in cold-worked material

eg riveting of impellers shall not be employed unless prior

approval has been obtained from ADMA-OPCOQAD However

riveted impellers are not acceptable for high speed and highdischarge pressure gas compressors

412 Instrumentation

4121 Instrument piping shall be in accordance with the associated process

line specification unless otherwise specified or approved by ADMA-

OPCO

4122 All instrument bodies manufactured from austenitic stainless steels

shall be in the Solution Annealed condition

4123 Austenitic stainless steel bellows diaphragms Bourdon tubes and other

stainless steel items which cannot be heat treated following welding or

cold forming are not acceptable Alternative materials are Incoloy 825

Incoloy 925 Inconel 625 Monel 400 and Monel K500

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413 Internal Bolting

4131 Internal bolting shall comply with the NACE Standard requirements

when in contact with any concentration of wet H2S (see also para 415 of

this Specification)

4132 Where austenitic stainless steel bolts and nuts are required these itemsshall be free from cold work they shall be solution treated after thread

rolling etc as outlined below-

a Bolts shall be Class lA of ASTM A 193eg B8MA (Type 316)

bolts solution treated after all cold work including thread rolling

b Nuts shall be the A suffix variety of ASTM A 194 eg Grade

8MA (Type 316) solution treated after all hot or cold working

414 External Bolting

4141 Carbon or low alloy steel bolting shall be phosphate treated and PTFE

coated in accordance with ADMA-OPCO Specification SP 1015

Where the use of PTFE coated bolting is impractical zinc plated

bolting in accordance with ASTM B633 or equivalent is acceptable

4142 Due to environmentally induced stress corrosion cracking problems

standard austenitic stainless steel bolting is not acceptable for pressure

containment purposes Alternative high nickel stainless steels or duplex

stainless steels such as Carpenter 20Cb-3 Farralum 255 or PTFE

coated bolting as 4141 above is acceptable

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413 Internal Bolting

4131 Internal bolting shall comply with the NACE Standard requirements

when in contact with any concentration of wet H2S (see also para 415 of

this Specification)

4132 Where austenitic stainless steel bolts and nuts are required these itemsshall be free from cold work they shall be solution treated after thread

rolling etc as outlined below-

a Bolts shall be Class lA of ASTM A 193eg B8MA (Type 316)

bolts solution treated after all cold work including thread rolling

b Nuts shall be the A suffix variety of ASTM A 194 eg Grade

8MA (Type 316) solution treated after all hot or cold working

414 External Bolting

4141 Carbon or low alloy steel bolting shall be phosphate treated and PTFE

coated in accordance with ADMA-OPCO Specification SP 1015

Where the use of PTFE coated bolting is impractical zinc plated

bolting in accordance with ASTM B633 or equivalent is acceptable

4142 Due to environmentally induced stress corrosion cracking problems

standard austenitic stainless steel bolting is not acceptable for pressure

containment purposes Alternative high nickel stainless steels or duplex

stainless steels such as Carpenter 20Cb-3 Farralum 255 or PTFE

coated bolting as 4141 above is acceptable

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415 Bellows

4151 Bellows units shall comply with the NACE Standard requirement when

in contact with any concentration of wet H2S (see also para 415) of

this specification

4152 Austentic stainless steels shall not be used for bellows but materialselection may be made according to the process conditions from the

following-

- Incoloy 825

- Inconel 625

- Monel 400

Other materials may be proposed for approval by ADMA-OPCOQAD

The production procedure shall comply with the requirements of the

NACE Standard

416 Metallic Overlays

Explosively clad roll bonded and fusion-bonded corrosion resistant overlays

such as austenitic stainless steels and nickel base alloy are considered to be

effective barriers to the sulphide environment Where such overlays are

employed the backing material need not conform to this Specification unless

otherwise specified by ADMA-OPCOQAD

5 WELDING AND FABRICATION

The following requirements related to welding and fabrication and heat treatment shall

apply in addition to the requirements of the NACE Standard

51 Approval of Heat-Treatment Procedure

Pre and post weld heat treatment shall generally be in accordance with

ADMA-OPCO SP-1035 and the requirements hereinafter unless otherwise

specified by ADMA-OPCOQAD For equipment which is to be post-weld heat

treated the following information shall be submitted to ADMA-OPCOQAD for

approval

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511 Details of the method of heating eg furnace electric resistance

induction etc

512 Details of the position of thermocouples

513 Special requirements for heat-treatment eg if it were proposed to

post-weld heat treat a heat-exchanger tube bundle incorporating tubeend welding

514 Copies of relevant heat treatment charts on completion

52 Small Bore Carbon Steel Pipework r less than DN75 mm (3 inch) NPS]

The TIG welding process shall be used for the butt welding of small bore

carbon steel pipework unless otherwise specified by ADMA-OPCOQAD

53 Possible Avoidance of Post-Weld Heat Treatment

To avoid the need for PWHT on the major part of a piping system the

following requirements shall be met-

531 Standard welding procedures for all pipework shall provide for a

minimum of two passes

532 The use of double sided welding on larger diameter pipe internal

sealing runs to correct bore misalignment local internal repairs the use

of fittings requiring back welding etc will all result in untempered

weld beads on the process side In such cases the contractor or

supplier shall either submit his proposals for ADMA-OPCOQAD

approval together with the test data to show that the specified

hardness limits have been met or shall PWHT the welds concerned and

prove this to ADMA-OPCOQAD

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533 Avoidance of PWHT will not be permitted on pipework with wall

thicknesses greater than 19 mm (0750 in) without the required

dispensation by ADMA-OPCOQAD

534 Repair to root runs are not permitted after subsequent runs have been

made unless the joint is subjected to PWHT or a simulated weld repair

procedure has been qualified

54 Welding Procedure Qualification Tests

541 Prior to the commencement of work the fabricator or supplier shall

submit to ADMA-OPCOQAD his proposals for evaluating the

welding procedures as per ADMA-OPCO STD-101 and in particular

those related to the control of hardness

542 In the case of equipment which is to be post-weld heat treated the

welding procedure tests shall incorporate a hardness survey as specifiedin para 545 of this Specification

543 In the case of as welded equipment the fabricator or supplier shall

submit to ADMA-OPCOQAD for approval the proposed method of

meeting the hardness limits of typical butt welds internal sealing runs

branch welds and local repair etc

544 On receipt of approval of the proposals the fabricatorsupplier

contractor shall carry out the required test welds and hardness surveys

The hardness surveys shall be carried out on agreed samples cut from

approved procedure test coupons

545 Test coupons shall be ground smooth and macro etched to reveal the

various zones of the weld Hardness traverses shall be made at a

distance of 2 mm (0079 in) from the inner and outer surfaces of the

weld joint using the Vickers hardness test method with a load of 10 kg

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The hardness traverse shall include the parent metals weld weld heat

affected zones on both sides of the joints and the positions of the

indentations shall be selected to establish peak hardness values The

maximum permitted hardness shall be 248 HV10 Kg (HRC22)

546 The results of the tests shall be submitted to ADMA-OPCOQAD

or an approved independent inspectorate for acceptance

6 IDENTIFICATION STAMPING AND MARKING

61 Hard Stamps

Conventional sharp V stamping is acceptable only on the outer

circumferences of flanges Round U stamps may be used elsewhere

providing the identities are placed on the external surfaces of low stress areas

Where stamps have been inadvertently applied to high stress areas subsequent

heat treatment is required unless approved otherwise by ADMA-OPCOQAD

62 Marking

Conventional paints crayons and adhesive tapes frequently used for temporary

marking during fabrication etc shall not be used on any stainless steel and if

used on carbon or low alloy steels they shall be removed before heat treatment

(if applied) and before shipment if heat treatment is not required

7 INSPECTION

In addition to normal inspection the following shall apply

71 Documentation shall be provided to prove the identity of all material of

construction and to establish that the correct heat treatment has been applied

so that the finished product complies fully with this Specification

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72 The Manufacturer shall conduct hardness tests to ensure that the hardness

requirements of this Specification are met and these should be certified

approved as indicated in para 546 Where hardness values in excess of the

requirements of this Specification and the NACE Standard are obtained the

part shall be rejected

73 Except in the case of austenitic stainless steels for small items eg smallsprings pins etc which can not be hardness tested individually the

manufacturer shall conduct tests on a random basis by selecting components

from production runs or stores batches to ensure that the product complies

fully with this Specification

74 For austenitic stainless steels the manufacturer shall certify that the specified

heat treatment has been carried out correctly

75 Details of components materials and the material condition shall be subject to

ADMA-OPCOQAD approval prior to manufacture

8 EXTERNAL PROTECTION-STAINLESS STEELS

Stainless steels shall be protected externally before transporting to site as per ADMA-

OPCO SP-1002 requirements The protection shall be maintained during construction

and operation at site Protection of welds and associated heat affected zones is most

important Any painting specification used in the context of this section shall be in

accordance with ADMA-OPCOQAD Specification SP-1020 PSN 530 or approved

alternative

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533 Avoidance of PWHT will not be permitted on pipework with wall

thicknesses greater than 19 mm (0750 in) without the required

dispensation by ADMA-OPCOQAD

534 Repair to root runs are not permitted after subsequent runs have been

made unless the joint is subjected to PWHT or a simulated weld repair

procedure has been qualified

54 Welding Procedure Qualification Tests

541 Prior to the commencement of work the fabricator or supplier shall

submit to ADMA-OPCOQAD his proposals for evaluating the

welding procedures as per ADMA-OPCO STD-101 and in particular

those related to the control of hardness

542 In the case of equipment which is to be post-weld heat treated the

welding procedure tests shall incorporate a hardness survey as specifiedin para 545 of this Specification

543 In the case of as welded equipment the fabricator or supplier shall

submit to ADMA-OPCOQAD for approval the proposed method of

meeting the hardness limits of typical butt welds internal sealing runs

branch welds and local repair etc

544 On receipt of approval of the proposals the fabricatorsupplier

contractor shall carry out the required test welds and hardness surveys

The hardness surveys shall be carried out on agreed samples cut from

approved procedure test coupons

545 Test coupons shall be ground smooth and macro etched to reveal the

various zones of the weld Hardness traverses shall be made at a

distance of 2 mm (0079 in) from the inner and outer surfaces of the

weld joint using the Vickers hardness test method with a load of 10 kg

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The hardness traverse shall include the parent metals weld weld heat

affected zones on both sides of the joints and the positions of the

indentations shall be selected to establish peak hardness values The

maximum permitted hardness shall be 248 HV10 Kg (HRC22)

546 The results of the tests shall be submitted to ADMA-OPCOQAD

or an approved independent inspectorate for acceptance

6 IDENTIFICATION STAMPING AND MARKING

61 Hard Stamps

Conventional sharp V stamping is acceptable only on the outer

circumferences of flanges Round U stamps may be used elsewhere

providing the identities are placed on the external surfaces of low stress areas

Where stamps have been inadvertently applied to high stress areas subsequent

heat treatment is required unless approved otherwise by ADMA-OPCOQAD

62 Marking

Conventional paints crayons and adhesive tapes frequently used for temporary

marking during fabrication etc shall not be used on any stainless steel and if

used on carbon or low alloy steels they shall be removed before heat treatment

(if applied) and before shipment if heat treatment is not required

7 INSPECTION

In addition to normal inspection the following shall apply

71 Documentation shall be provided to prove the identity of all material of

construction and to establish that the correct heat treatment has been applied

so that the finished product complies fully with this Specification

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72 The Manufacturer shall conduct hardness tests to ensure that the hardness

requirements of this Specification are met and these should be certified

approved as indicated in para 546 Where hardness values in excess of the

requirements of this Specification and the NACE Standard are obtained the

part shall be rejected

73 Except in the case of austenitic stainless steels for small items eg smallsprings pins etc which can not be hardness tested individually the

manufacturer shall conduct tests on a random basis by selecting components

from production runs or stores batches to ensure that the product complies

fully with this Specification

74 For austenitic stainless steels the manufacturer shall certify that the specified

heat treatment has been carried out correctly

75 Details of components materials and the material condition shall be subject to

ADMA-OPCOQAD approval prior to manufacture

8 EXTERNAL PROTECTION-STAINLESS STEELS

Stainless steels shall be protected externally before transporting to site as per ADMA-

OPCO SP-1002 requirements The protection shall be maintained during construction

and operation at site Protection of welds and associated heat affected zones is most

important Any painting specification used in the context of this section shall be in

accordance with ADMA-OPCOQAD Specification SP-1020 PSN 530 or approved

alternative

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The hardness traverse shall include the parent metals weld weld heat

affected zones on both sides of the joints and the positions of the

indentations shall be selected to establish peak hardness values The

maximum permitted hardness shall be 248 HV10 Kg (HRC22)

546 The results of the tests shall be submitted to ADMA-OPCOQAD

or an approved independent inspectorate for acceptance

6 IDENTIFICATION STAMPING AND MARKING

61 Hard Stamps

Conventional sharp V stamping is acceptable only on the outer

circumferences of flanges Round U stamps may be used elsewhere

providing the identities are placed on the external surfaces of low stress areas

Where stamps have been inadvertently applied to high stress areas subsequent

heat treatment is required unless approved otherwise by ADMA-OPCOQAD

62 Marking

Conventional paints crayons and adhesive tapes frequently used for temporary

marking during fabrication etc shall not be used on any stainless steel and if

used on carbon or low alloy steels they shall be removed before heat treatment

(if applied) and before shipment if heat treatment is not required

7 INSPECTION

In addition to normal inspection the following shall apply

71 Documentation shall be provided to prove the identity of all material of

construction and to establish that the correct heat treatment has been applied

so that the finished product complies fully with this Specification

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72 The Manufacturer shall conduct hardness tests to ensure that the hardness

requirements of this Specification are met and these should be certified

approved as indicated in para 546 Where hardness values in excess of the

requirements of this Specification and the NACE Standard are obtained the

part shall be rejected

73 Except in the case of austenitic stainless steels for small items eg smallsprings pins etc which can not be hardness tested individually the

manufacturer shall conduct tests on a random basis by selecting components

from production runs or stores batches to ensure that the product complies

fully with this Specification

74 For austenitic stainless steels the manufacturer shall certify that the specified

heat treatment has been carried out correctly

75 Details of components materials and the material condition shall be subject to

ADMA-OPCOQAD approval prior to manufacture

8 EXTERNAL PROTECTION-STAINLESS STEELS

Stainless steels shall be protected externally before transporting to site as per ADMA-

OPCO SP-1002 requirements The protection shall be maintained during construction

and operation at site Protection of welds and associated heat affected zones is most

important Any painting specification used in the context of this section shall be in

accordance with ADMA-OPCOQAD Specification SP-1020 PSN 530 or approved

alternative

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72 The Manufacturer shall conduct hardness tests to ensure that the hardness

requirements of this Specification are met and these should be certified

approved as indicated in para 546 Where hardness values in excess of the

requirements of this Specification and the NACE Standard are obtained the

part shall be rejected

73 Except in the case of austenitic stainless steels for small items eg smallsprings pins etc which can not be hardness tested individually the

manufacturer shall conduct tests on a random basis by selecting components

from production runs or stores batches to ensure that the product complies

fully with this Specification

74 For austenitic stainless steels the manufacturer shall certify that the specified

heat treatment has been carried out correctly

75 Details of components materials and the material condition shall be subject to

ADMA-OPCOQAD approval prior to manufacture

8 EXTERNAL PROTECTION-STAINLESS STEELS

Stainless steels shall be protected externally before transporting to site as per ADMA-

OPCO SP-1002 requirements The protection shall be maintained during construction

and operation at site Protection of welds and associated heat affected zones is most

important Any painting specification used in the context of this section shall be in

accordance with ADMA-OPCOQAD Specification SP-1020 PSN 530 or approved

alternative

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APPENDIX A

PREVENTION OF STRESS CORROSION CRACKING

IN SOUR SERVICE WITH CHLORIDES

REQUIREMENTS FOR AUSTENITIC STAINLESS STEELS

Al Austenitic stainless steels shall be in the solution annealed condition

A2 Bends in pipework and tubing and other cold formed items shall be solution annealed

at 1050 C (1920 F) or stress relieved at 950 + 20 C (1740 + 68 F) after forming

A3 Austenitic stainless steels are not acceptable for bellows or other components in the

cold worked or highly stressed condition note that NACE Standard prohibits the use

of cold worked austentic stainless steels Incoloy 825 is an acceptable material among

others for this duty

A4 For welded equipment stabilised or low carbon grades shall be used and unless

otherwise approved by ADMA-OPCOQAD all welded items shall be either solution

annealed at 1050 C (1920 F) or stress relieved at 950 + 20 C (1742 + 68 F)

A5 Because of the significantly greater risk of crevice corrosion in sourchloride service

the use of socket welded fittings or any other weld detail which could result in a

crevice on the process side is not permitted

A6 Fusion-bonded overlays of Stellite or Colmonoy may be applied to stabilised or low

carbon grades of austenitic stainless steels provided that the component is

subsequently stress relieved at 950 + 20 C (1742+68 F) held for 1 hour per 25mm

(1 in) of thickness and cooled in still air

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APPENDIX B

PREVENTION OF STRESS CORROSION CRACKING IN SOUR SERVICE WITH

CAUSTIC OR OTHER ALKALINE PROCESS FLUIDS

Bl General Requirements for Carbon Steel Equipment

B11 Carbon steel is generally an acceptable material for handling certain caustic

soda and other alkaline solutions However it has limitations in that stress

corrosion cracking can occur unless the equipment is stress relieved also

unacceptable general corrosion can take place at elevated temperatures

B12 The stress relief requirements and upper temperature limits as given in Figure

B-l shall be applied for carbon steel vessels and pipework in caustic soda and

other alkaline service Stress relief shall be applied to the whole vessel and to

welds cold bends etc in the case of pipework

B13 Where the caustic soda or other alkaline solution is at a temperature in excess

of that shown in Area B (Figure B-1) material selection shall be subject to

approval by ADMA-OPCOQAD

B14 Figure B-1 shall apply to vessels and pipework only material selection for

other equipment eg pumps shall be subject to approval by ADMA-OPCO

QAD

B2 Sour Streams Containing Amines

B21 To avoid stress corrosion cracking of carbon steel welds exposed to DEA

solutions used in hydrogen sulphide sweetening plants stress relieving of all

welds is required

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APPENDIX C

SPECIFICATION FOR STEEL PLATE (Z QUALITY)

Cl Scope

This specification defines requirements for the manufacture and supply of steel plateswith enhanced through-thickness properties for special applications

C2 Definition

Steel with enhanced through-thickness properties ie Z direction properties are

conventionally referred to as Z quality steels and the suffix Z may be affixed to the

steel specification designation

eg BS1501 224-161 Grade 360-Z

BS 4360 Grade 50D-Z

This signifies that the material has been produced by special steel making and rolling

procedures and has been subject to ultrasonic and mechanical tests in the through

thickness or Z direction

Some steel mills use the suffixes Z15 Z25 and Z35 as specified in ISO 7778 to signify

that Z direction reduction of area average values of 15 25 or 35 have been met

ADMA-OPCO requirement is for Z direction reduction of 30 minimum for which the

suffix Z30 shall be used for ADMA-OPCO materials

C3 Material

C31 Standards

The plate furnished by the supplier shall meet the requirements of the specified

grade of material designated in the Purchase Order together with the following

supplementary requirements

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a Process of Manufacture

Steels shall be made by a low sulphur and low phosphorus refining

process for example in an electric furnace with double deslagging or

in the basic oxygen furnace (BOF) The steel shall be vacuum degassed

while molten by means of a ADMA-OPCOQAD approved process

b Chemical Composition

The following supplementary requirements shall apply

Element Check Analysis

Carbon 020 Max

Sulphur 0005 Max

Phosphorus 0025 Max

Carbon Equivalent 042 Max

The carbon equivalent values used in the above Table shall be calculated

by means of the following formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

C4 Inspection Requirements for Plate

C41 Ultrasonic Examination

Material supplied in accordance with this specification shall be ultrasonically

tested in accordance with the requirements of BS 5996 - Grade LC3 or an

equivalent approved by ADMA-OPCOQAD

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C42 Through-Thickness Tensile Test

At the commencement of production and subsequently unless approved

otherwise by ADMA-OPCOQAD six through-thickness tensile tests shall be

conducted at the locations shown on Figure C-l of each plate as rolled For

plates over 30mm (118 in) thick the specimens shall have an extension

friction welded to one surface as shown in Figure C-2 which also shows thedisposition of the specimen relative to the plate thickness and the size of

specimen For thinner plates full thickness specimens with two friction

welded end pieces shall be used

Plate as rolled means a plate rolled from one slab

The following minimum requirements shall be achieved

Reduction of Area (Z direction) 30 minimum

Elongation on 354 D 18 minimum

The through-thickness test shall be made after the completion of all heat

treatments

In addition to the above all the necessary tests required by the relevant

material specification shall be carried out

C5 Weld Repair of Plate

Weld repair of plate surface defects will not be permitted without ADMA-OPCOQAD

approval and shall be subject to an agreed repair procedure prior to the work being

carried out

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C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

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APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

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APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

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ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

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APPENDIX B

PREVENTION OF STRESS CORROSION CRACKING IN SOUR SERVICE WITH

CAUSTIC OR OTHER ALKALINE PROCESS FLUIDS

Bl General Requirements for Carbon Steel Equipment

B11 Carbon steel is generally an acceptable material for handling certain caustic

soda and other alkaline solutions However it has limitations in that stress

corrosion cracking can occur unless the equipment is stress relieved also

unacceptable general corrosion can take place at elevated temperatures

B12 The stress relief requirements and upper temperature limits as given in Figure

B-l shall be applied for carbon steel vessels and pipework in caustic soda and

other alkaline service Stress relief shall be applied to the whole vessel and to

welds cold bends etc in the case of pipework

B13 Where the caustic soda or other alkaline solution is at a temperature in excess

of that shown in Area B (Figure B-1) material selection shall be subject to

approval by ADMA-OPCOQAD

B14 Figure B-1 shall apply to vessels and pipework only material selection for

other equipment eg pumps shall be subject to approval by ADMA-OPCO

QAD

B2 Sour Streams Containing Amines

B21 To avoid stress corrosion cracking of carbon steel welds exposed to DEA

solutions used in hydrogen sulphide sweetening plants stress relieving of all

welds is required

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APPENDIX C

SPECIFICATION FOR STEEL PLATE (Z QUALITY)

Cl Scope

This specification defines requirements for the manufacture and supply of steel plateswith enhanced through-thickness properties for special applications

C2 Definition

Steel with enhanced through-thickness properties ie Z direction properties are

conventionally referred to as Z quality steels and the suffix Z may be affixed to the

steel specification designation

eg BS1501 224-161 Grade 360-Z

BS 4360 Grade 50D-Z

This signifies that the material has been produced by special steel making and rolling

procedures and has been subject to ultrasonic and mechanical tests in the through

thickness or Z direction

Some steel mills use the suffixes Z15 Z25 and Z35 as specified in ISO 7778 to signify

that Z direction reduction of area average values of 15 25 or 35 have been met

ADMA-OPCO requirement is for Z direction reduction of 30 minimum for which the

suffix Z30 shall be used for ADMA-OPCO materials

C3 Material

C31 Standards

The plate furnished by the supplier shall meet the requirements of the specified

grade of material designated in the Purchase Order together with the following

supplementary requirements

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a Process of Manufacture

Steels shall be made by a low sulphur and low phosphorus refining

process for example in an electric furnace with double deslagging or

in the basic oxygen furnace (BOF) The steel shall be vacuum degassed

while molten by means of a ADMA-OPCOQAD approved process

b Chemical Composition

The following supplementary requirements shall apply

Element Check Analysis

Carbon 020 Max

Sulphur 0005 Max

Phosphorus 0025 Max

Carbon Equivalent 042 Max

The carbon equivalent values used in the above Table shall be calculated

by means of the following formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

C4 Inspection Requirements for Plate

C41 Ultrasonic Examination

Material supplied in accordance with this specification shall be ultrasonically

tested in accordance with the requirements of BS 5996 - Grade LC3 or an

equivalent approved by ADMA-OPCOQAD

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C42 Through-Thickness Tensile Test

At the commencement of production and subsequently unless approved

otherwise by ADMA-OPCOQAD six through-thickness tensile tests shall be

conducted at the locations shown on Figure C-l of each plate as rolled For

plates over 30mm (118 in) thick the specimens shall have an extension

friction welded to one surface as shown in Figure C-2 which also shows thedisposition of the specimen relative to the plate thickness and the size of

specimen For thinner plates full thickness specimens with two friction

welded end pieces shall be used

Plate as rolled means a plate rolled from one slab

The following minimum requirements shall be achieved

Reduction of Area (Z direction) 30 minimum

Elongation on 354 D 18 minimum

The through-thickness test shall be made after the completion of all heat

treatments

In addition to the above all the necessary tests required by the relevant

material specification shall be carried out

C5 Weld Repair of Plate

Weld repair of plate surface defects will not be permitted without ADMA-OPCOQAD

approval and shall be subject to an agreed repair procedure prior to the work being

carried out

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C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

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APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

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APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

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ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2634

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

25 OF 33

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7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2734

APPENDIX C

SPECIFICATION FOR STEEL PLATE (Z QUALITY)

Cl Scope

This specification defines requirements for the manufacture and supply of steel plateswith enhanced through-thickness properties for special applications

C2 Definition

Steel with enhanced through-thickness properties ie Z direction properties are

conventionally referred to as Z quality steels and the suffix Z may be affixed to the

steel specification designation

eg BS1501 224-161 Grade 360-Z

BS 4360 Grade 50D-Z

This signifies that the material has been produced by special steel making and rolling

procedures and has been subject to ultrasonic and mechanical tests in the through

thickness or Z direction

Some steel mills use the suffixes Z15 Z25 and Z35 as specified in ISO 7778 to signify

that Z direction reduction of area average values of 15 25 or 35 have been met

ADMA-OPCO requirement is for Z direction reduction of 30 minimum for which the

suffix Z30 shall be used for ADMA-OPCO materials

C3 Material

C31 Standards

The plate furnished by the supplier shall meet the requirements of the specified

grade of material designated in the Purchase Order together with the following

supplementary requirements

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

26 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2834

a Process of Manufacture

Steels shall be made by a low sulphur and low phosphorus refining

process for example in an electric furnace with double deslagging or

in the basic oxygen furnace (BOF) The steel shall be vacuum degassed

while molten by means of a ADMA-OPCOQAD approved process

b Chemical Composition

The following supplementary requirements shall apply

Element Check Analysis

Carbon 020 Max

Sulphur 0005 Max

Phosphorus 0025 Max

Carbon Equivalent 042 Max

The carbon equivalent values used in the above Table shall be calculated

by means of the following formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

C4 Inspection Requirements for Plate

C41 Ultrasonic Examination

Material supplied in accordance with this specification shall be ultrasonically

tested in accordance with the requirements of BS 5996 - Grade LC3 or an

equivalent approved by ADMA-OPCOQAD

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

27 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2934

C42 Through-Thickness Tensile Test

At the commencement of production and subsequently unless approved

otherwise by ADMA-OPCOQAD six through-thickness tensile tests shall be

conducted at the locations shown on Figure C-l of each plate as rolled For

plates over 30mm (118 in) thick the specimens shall have an extension

friction welded to one surface as shown in Figure C-2 which also shows thedisposition of the specimen relative to the plate thickness and the size of

specimen For thinner plates full thickness specimens with two friction

welded end pieces shall be used

Plate as rolled means a plate rolled from one slab

The following minimum requirements shall be achieved

Reduction of Area (Z direction) 30 minimum

Elongation on 354 D 18 minimum

The through-thickness test shall be made after the completion of all heat

treatments

In addition to the above all the necessary tests required by the relevant

material specification shall be carried out

C5 Weld Repair of Plate

Weld repair of plate surface defects will not be permitted without ADMA-OPCOQAD

approval and shall be subject to an agreed repair procedure prior to the work being

carried out

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

28 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3034

C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

29 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3134

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

30 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3234

APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

31 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2734

APPENDIX C

SPECIFICATION FOR STEEL PLATE (Z QUALITY)

Cl Scope

This specification defines requirements for the manufacture and supply of steel plateswith enhanced through-thickness properties for special applications

C2 Definition

Steel with enhanced through-thickness properties ie Z direction properties are

conventionally referred to as Z quality steels and the suffix Z may be affixed to the

steel specification designation

eg BS1501 224-161 Grade 360-Z

BS 4360 Grade 50D-Z

This signifies that the material has been produced by special steel making and rolling

procedures and has been subject to ultrasonic and mechanical tests in the through

thickness or Z direction

Some steel mills use the suffixes Z15 Z25 and Z35 as specified in ISO 7778 to signify

that Z direction reduction of area average values of 15 25 or 35 have been met

ADMA-OPCO requirement is for Z direction reduction of 30 minimum for which the

suffix Z30 shall be used for ADMA-OPCO materials

C3 Material

C31 Standards

The plate furnished by the supplier shall meet the requirements of the specified

grade of material designated in the Purchase Order together with the following

supplementary requirements

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

26 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2834

a Process of Manufacture

Steels shall be made by a low sulphur and low phosphorus refining

process for example in an electric furnace with double deslagging or

in the basic oxygen furnace (BOF) The steel shall be vacuum degassed

while molten by means of a ADMA-OPCOQAD approved process

b Chemical Composition

The following supplementary requirements shall apply

Element Check Analysis

Carbon 020 Max

Sulphur 0005 Max

Phosphorus 0025 Max

Carbon Equivalent 042 Max

The carbon equivalent values used in the above Table shall be calculated

by means of the following formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

C4 Inspection Requirements for Plate

C41 Ultrasonic Examination

Material supplied in accordance with this specification shall be ultrasonically

tested in accordance with the requirements of BS 5996 - Grade LC3 or an

equivalent approved by ADMA-OPCOQAD

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

27 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2934

C42 Through-Thickness Tensile Test

At the commencement of production and subsequently unless approved

otherwise by ADMA-OPCOQAD six through-thickness tensile tests shall be

conducted at the locations shown on Figure C-l of each plate as rolled For

plates over 30mm (118 in) thick the specimens shall have an extension

friction welded to one surface as shown in Figure C-2 which also shows thedisposition of the specimen relative to the plate thickness and the size of

specimen For thinner plates full thickness specimens with two friction

welded end pieces shall be used

Plate as rolled means a plate rolled from one slab

The following minimum requirements shall be achieved

Reduction of Area (Z direction) 30 minimum

Elongation on 354 D 18 minimum

The through-thickness test shall be made after the completion of all heat

treatments

In addition to the above all the necessary tests required by the relevant

material specification shall be carried out

C5 Weld Repair of Plate

Weld repair of plate surface defects will not be permitted without ADMA-OPCOQAD

approval and shall be subject to an agreed repair procedure prior to the work being

carried out

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

28 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3034

C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

29 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3134

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

30 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3234

APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

31 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2834

a Process of Manufacture

Steels shall be made by a low sulphur and low phosphorus refining

process for example in an electric furnace with double deslagging or

in the basic oxygen furnace (BOF) The steel shall be vacuum degassed

while molten by means of a ADMA-OPCOQAD approved process

b Chemical Composition

The following supplementary requirements shall apply

Element Check Analysis

Carbon 020 Max

Sulphur 0005 Max

Phosphorus 0025 Max

Carbon Equivalent 042 Max

The carbon equivalent values used in the above Table shall be calculated

by means of the following formula

CE = C + Mn + Cr+Mo+V + Ni+Cu

6 5 15

C4 Inspection Requirements for Plate

C41 Ultrasonic Examination

Material supplied in accordance with this specification shall be ultrasonically

tested in accordance with the requirements of BS 5996 - Grade LC3 or an

equivalent approved by ADMA-OPCOQAD

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

27 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2934

C42 Through-Thickness Tensile Test

At the commencement of production and subsequently unless approved

otherwise by ADMA-OPCOQAD six through-thickness tensile tests shall be

conducted at the locations shown on Figure C-l of each plate as rolled For

plates over 30mm (118 in) thick the specimens shall have an extension

friction welded to one surface as shown in Figure C-2 which also shows thedisposition of the specimen relative to the plate thickness and the size of

specimen For thinner plates full thickness specimens with two friction

welded end pieces shall be used

Plate as rolled means a plate rolled from one slab

The following minimum requirements shall be achieved

Reduction of Area (Z direction) 30 minimum

Elongation on 354 D 18 minimum

The through-thickness test shall be made after the completion of all heat

treatments

In addition to the above all the necessary tests required by the relevant

material specification shall be carried out

C5 Weld Repair of Plate

Weld repair of plate surface defects will not be permitted without ADMA-OPCOQAD

approval and shall be subject to an agreed repair procedure prior to the work being

carried out

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

28 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3034

C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

29 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3134

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

30 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3234

APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

31 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 2934

C42 Through-Thickness Tensile Test

At the commencement of production and subsequently unless approved

otherwise by ADMA-OPCOQAD six through-thickness tensile tests shall be

conducted at the locations shown on Figure C-l of each plate as rolled For

plates over 30mm (118 in) thick the specimens shall have an extension

friction welded to one surface as shown in Figure C-2 which also shows thedisposition of the specimen relative to the plate thickness and the size of

specimen For thinner plates full thickness specimens with two friction

welded end pieces shall be used

Plate as rolled means a plate rolled from one slab

The following minimum requirements shall be achieved

Reduction of Area (Z direction) 30 minimum

Elongation on 354 D 18 minimum

The through-thickness test shall be made after the completion of all heat

treatments

In addition to the above all the necessary tests required by the relevant

material specification shall be carried out

C5 Weld Repair of Plate

Weld repair of plate surface defects will not be permitted without ADMA-OPCOQAD

approval and shall be subject to an agreed repair procedure prior to the work being

carried out

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

28 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3034

C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

29 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3134

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

30 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3234

APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

31 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

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SHEET

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ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

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C51 The Extent of Defects that may be Repaired

a Depths of Defects

After complete removal of the defects the remaining thickness shall be

checked to ensure that the depth of defect does not exceed l0mm

(039 in) or 20 of the nominal thickness of the plate whichever is thesmaller Plate with defects in excess of the above depth shall be

rejected

b Area of Defects

On any one surface of a plate the total repaired area shall not exceed

2 of the total area of that surface

C52 Heat-Treatment after Welding Repair

All plates subjected to welding repair shall be stress relieved after welding if the

plates are supplied in the normalised condition

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APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

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SHEET

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APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3134

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

30 OF 33

TO CONTENTS

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APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

31 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3234

APPENDIX D

ABBREVIATIONS

ADIP Di-Isopropanolamine

API American Petroleum Institute

ASTM American Society for Testing and MaterialsBS British Standard

CE Carbon Equivalent

DEA Di-Ethylamine

EEMUA The Engineering Equipment and Materials Users Association

EFW Electric Fusion Welded

ERW Electric Resistance Welded

HIC Hydrogen Induced Cracking

HV Vickers Hardness

HRC Rockwell Hardness Scale C

MEA Mono-Ethanolamlne NACE National Association of Corrosion Engineers

NPS Nominal Pipe Size

PTFE Polytetrafluoroethylene

PWHT Post Weld Heat Treatment

SSC Sulphide Stess Cracking

SCC Stress Corrosion Cracking

TEMA Tubular Exchanger Manufacturers Association

TIG Tugsten Inert Gas

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

31 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3334

APPENDIX E

LIST OF REFERENCE STANDARDS

The latest edition or revision of the following Codes shall to the extent specified herein

represent a part of this Specification

ANSI

B313 Chemical Plant and Petroleum Refinery Piping

API

STD 610 Centrifugal Pumps for General Refinery Services

STD 617 Centrifugal Compressors for General Refinery Services

ASTM

ASTM A193 Alloy-Steel and Stainless Steel Bolting Materials for High Temperature Service

ASTM A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and HighTemperature Service

ASTM A395 Ferritic Ductile Iron Pressure - Retaining Castings for Use at Elevated

Temperatures

ASTM B633 Electro deposited coatings of Zinc on Iron and Steel

BSI

BS 1501 Steel for Fired and Unfired Pressure Vessels

BS 3468 Austenitic Cast Iron

BS 4360 Weldable Structural Steels

BS 5996 Methods for Ultrasonic Testing and Specifying Quality Grades for

Ferritic Steel Plate

ISO

ISO 7778 Steel Plate with Specified through Thickness Characteristic

NACE

MR0175 Material Requirement - Sulphide Stress Cracking Resistant Metallic Material

for Oil Field Equipment

TM0284 Test Method Evaluation or Pipeline Steels for Resistance to Stepwise Cracking

TM0177 Testing of Metals for Resistance to Sulphide Stress Cracking at Ambient

Temperatures

TEMA Tubular Exchanger Manufacturers Association

EEMUA

PUB 143 Recommendations for Tube End Welding amp Tubular Heat Transfer Equipment

Part - 1 Ferrious Materials

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

ADMA-OPCO SP - 1000

SHEET

32 OF 33

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS

7232019 SP_1000 Materials for Sour Servicepdf

httpslidepdfcomreaderfullsp1000-materials-for-sour-servicepdf 3434

ADMA-OPCO

STD-101 Approval of Welding Procedure Specifications

STD-122 Casing Tubing and Drill Pipe

STD-123 Casing Hardware Downhole Completion and Wireline Equipment for

Sour

STD 124 Part 1 amp 2 Alloy 825 Casing Tubing and Couplings

STD-125 Part 1 amp 2 Wellhead and Christmas Tree Equipment to API Spec 6ASP-1002 Preservation of New Materials amp Equipment

SP-1011 Specification for Line Pipe Part 1 2 amp 3

SP-1015 Specification for PTFE Bolting

SP-1020 General Specification for Protective Painting

SP-1035 Specification for Pre amp Post Weld Heat Treatment of Metals

JNDMKMlr4938n

1 10-92 GENERAL REVISION

Rev Date Description Text Affected

SP 1000SHEET

TO CONTENTS