ASME IX Interpretation-Part7

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Standard Designation: BPV Section IX

Edition/Addenda:

Para./Fig./Table No:

Subject Description: Section IX, QW-461.9 and QW-452.3

Date Issued: 06/02/1986

Record Number: BC86-103

Interpretation Number : IX-86-29

Question(s) and Reply(ies): Question: Is a welder qualified to weld a butt joint in pipe or tubing less

than 2-7/8 in. O.D. in the 1G position (rotated) when he has been tested on

pipe in the 6G position, which qualifies him to weld pipe/tube down to2-7/8 in. O.D.?

Reply: No.


Edition/Addenda:


Subject Description: Section IX, QW-214 and QW-381

Date Issued: 05/07/1987Record Number: BC87-090


Question(s) and Reply(ies): Question: When qualifying for corrosion-resistant weld metal overlay of

F-No. 6 weld metal on P-No. 1 base metal, in accordance with QW-214 and

QW-381, is it permissible to use a 6-2/3t (2½ in.) mandrel diameter for the

side bend tests?

Reply: No.

Standard Designation: BPV Section IXEdition/Addenda:


Subject Description: Section IX, QW-451.1 vs QW-403.6




Question(s) and Reply(ies): Question: When impact tests are waived by a book section for the base

material, but are required for the weld metal, is the qualified minimum base

metal thickness that given in QW-451.1?

Reply: Yes.

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Edition/Addenda:


Subject Description: Section IX, QW-322(a)


Record Number: BC86-394Interpretation Number : IX-86-52

Question(s) and Reply(ies): Question: In order to maintain his qualifications, must a welder actually

weld with each of his qualified welding processes within 6 months when

they have been extended in accordance with QW-322(a)?

Reply: Yes.


Edition/Addenda:


Subject Description: Section IX, QW-381




Question(s) and Reply(ies): Question: Is a welder, who has a groove or fillet qualification with F-No. 5,

A-No. 8 filler metal and respecting the QW-350 essential variables,

qualified to weld corrosion-resistant weld metal overlay?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Does a welder performance qualification for manual GTAW inaccordance with QW-304 and the essential variables of QW-356 qualify a

welding operator to perform machine welding (GTAW process)?

Reply: No.


Edition/Addenda:






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Question(s) and Reply(ies): Question: May an existing welder qualification for a specific process in all

positions, but with limited deposited weld metal thickness, be extended for

all positions by making an additional test in the 1G position on a thicker

plate?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: May a welder who has qualified to apply corrosion-resistant weld

metal overlay also weld the corrosion-resistant overlay (cladding) portion ofa groove weld in composite (clad) materials?

Reply: Yes.


Edition/Addenda:


Subject Description: Section IX, QW-281.2(c)




Question(s) and Reply(ies): Question: Does a PQR using P-No. 1 base material and AWS E347

corrosion-resistant weld metal overlay support a WPS using P-No. 1 base

material and AWS E316L corrosion-resistant weld metal overlay with all

other essential variables unchanged?

Reply: No.


Edition/Addenda:


Subject Description: Section IX, QW-191.2.2




Question(s) and Reply(ies): Question: When using QW-191.2.2, shall linear porosity (hollow bead,

wormhole/piping porosity), in which the length is more than three times the

width, be evaluated using QW-191.2.2(a)(2) elongated slab inclusion

limits?

Reply: Yes.

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Edition/Addenda:






Question(s) and Reply(ies): Question: If a welder passes a groove weld test and meets the requirements

of QW-350, is he qualified to make corrosion-resistant weld metal

overlays?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Is it permissible to reduce the flow rate of shielding gas in

GMAW and GTAW below that actually used to qualify the procedure

provided the WPS is amended or a new WPS is written without

requalification?

Reply: Yes, except for the materials listed in QW-408.9.


Edition/Addenda:


Subject Description: Section IX, QW-310.1



Interpretation Number : IX-86-35Question(s) and Reply(ies): Question: May 5 in. NPS pipe be used instead of 6 in. or larger pipe to

qualify welders in both the 2G and 5G combination test positions per QW-

310.1?

Reply: No.


Edition/Addenda:





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Question(s) and Reply(ies): Question: A welding procedure is qualified on a base material thickness of

0.365 in. using the SMAW process. May this welding procedure be used in

production to weld a tee groove joint utilizing a 0.25 in. thick angle to an 18

gage (0.0516 in.) vessel shell?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: For procedure qualification, do QW-181.1 and QW-451.3 prohibit the use of materials in product forms other than plate and pipe?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: A welding operator qualified for GTAW on groove welds has let

his qualification lapse. The welding operator is subsequently qualified for

GTAW corrosion-resistant weld metal overlay cladding. Does this

subsequent qualification renew the welding operator's qualification for

GTAW of groove welds?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question: Per QW-403.18, is a welder who qualified on P-No. 1 base metal

also qualified on P-No. 1 through P-No. 11 and P-No. 4x base metal where

all other performance essential variables are constant?

Reply: Yes.

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Edition/Addenda:


Subject Description: Section IX, Brazing Procedure Qualification




Question(s) and Reply(ies): Question: May a brazing procedure be qualified by a proof test to failure?

For example, but not limited to UG-101(m) proof test, of actual parts, or

vessels as unique joints?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Can a PQR using manual GTAW, where the parameters of QW-

410.7 were not recorded, support a WPS for machine GTAW where notch

toughness and QW-410.7 are required?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: May a qualified SAW (strip technique)/FCAW combination

procedure be utilized for base metal buildup as indicated in QW-200.4 and

QW-202.3?

Reply: Yes.


Edition/Addenda:


Subject Description: Section IX, QB-408.2



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Question(s) and Reply(ies): Question (1): In QB-408.2, does a change outside the "range specified on

the BPS" require requalification of a brazing procedure?

Reply (1): Yes.

Question (2): In QB-408.2, does a change from the exact joint clearance

recorded on the PQR require requalification of the brazing procedure?

Reply (2): No.


Edition/Addenda:





Question(s) and Reply(ies): Question (1): If a welder or welding operator fails to pass the renewal of

qualification test of QW-322, does the failure constitute a specific reason

under QW-322(c) to question his ability to make welds that meet the

specification?

Reply (1): No.

Question (2): A manufacturer has reason to question the ability of a welder

or welding operator to make acceptable welds. Does Section IX permit the

manufacturer to use the renewal of qualification test of QW-322 to ascertain

his ability?

Reply (2): No.

Question (3): A manufacturer has reason to question the ability of a welder

or welding operator to make acceptable welds. In order to demonstrate his

ability to make welds that meet the specification, does Section IX require

qualification in accordance with QW-301?

Reply (3): Yes.


Edition/Addenda:


Subject Description: Section IX, QW-256 and QW-410.26




Question(s) and Reply(ies): Question: Does Section IX address the use of roll planishing to smooth the

surface of welds in a stainless steel vessel?

Reply: No.

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Edition/Addenda:


Subject Description: Section IX, QW-311 (New QW-381)



Question(s) and Reply(ies): Question: Using the SMAW process for corrosion-resistant weld metal

overlay, is any maximum limit imposed by QW-311 on the thickness of

overlay which a welder is qualified to deposit?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Per QW-300.2, may several contractors simultaneously

conduct the performance qualification test(s) of a welder?

Reply (1): Section IX does not address this situation.

Question (2): Per QW-301.2, may a welder simultaneously weld performance qualification test coupons in accordance with the Welding

Procedure Specification of several contractors when only the essential

variables are documented as equivalent?

Reply (2): Section IX does not address this situation.


Edition/Addenda:


Subject Description: Section IX, Qualification Requirements for Fillet Weld Repairs




Question(s) and Reply(ies): Question (1): Do the performance qualification requirements of QW-303.1

and QW-452.6 apply when repairing fillet welds?

Reply (1): Yes.

Question (2): Does the deposited weld metal thickness of QW-452.1 apply

to fillet weld repairs?

Reply (2): No.

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Question (3): Do the procedure qualification requirements of QW-202.2(c)

and QW-451.4 apply to the repair of fillet welds?

Reply (3): Yes.

Question (4): Does QW-202.3 place an upper limit on base metal and

deposited weld metal thickness for fillet weld repairs?

Reply (4): No.


Edition/Addenda:





Interpretation Number : IX-86-31Question(s) and Reply(ies): Question (1): When welding a partial penetration nozzle joint detail similar

to that shown in UW-16.1 sketch (q) of ASME Section VIII, Division 1,

must the shell and reinforcing pad thickness be combined to determine the

base metal thickness that must be qualified by a weld procedure in

accordance with QW-451 of Section IX?

Reply (1): No.

Question (2): When welding a full penetration nozzle joint detail utilizing a

reinforcing pad plate, must the shell and reinforcing pad thickness be

combined to determine the base metal thickness that must be qualified by a

weld procedure in accordance with QW-451 of Section IX?

Reply (2): No.


Edition/Addenda:





Question(s) and Reply(ies): Question: Do acceptable bend and tensile test results for the SMAW process

of a combination GTAW/SMAW PQR support a SMAW procedure when

the GTAW process test results are not acceptable?

Reply: No.


Edition/Addenda:




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Question(s) and Reply(ies): Question: Does QW-410.15 apply to the distance between the electrode and

the filler metal when using the GTAW process?

Reply: No.


Edition/Addenda:


Subject Description: Section IX, QW-462.1(a)




Question(s) and Reply(ies): Question: Do test specimens machined to QW-462.1(a) of the 1983 Edition

of Section IX satisfy the requirements of the current edition of Section IX?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question: Is a welder who is qualified using gas metal-arc welding

(GMAW) also qualified for flux-cored arc welding (FCAW) or vice versa,

provided the other variables for performance qualification remain

unchanged?

Reply: Yes.


Edition/Addenda:


Subject Description: Section IX, QW-407.1(b)




Question(s) and Reply(ies): Question: If a weld to P-No. 43 material is made without a PWHT, and

subsequently the weld receives a heat treatment because of the PWHT of a

nearby ferritic weld, does QW-407.1(b) require that a procedure

qualification be conducted for P-No. 43 material using PWHT?

Reply: Yes.

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Edition/Addenda:


Subject Description: Section IX, QW-200.4, QW-306, and QW-407.4




Question(s) and Reply(ies): Question (1): A Procedure Qualification Record (PQR) for a single welded

joint was qualified using 1/2 in. thick base metal. GTAW was used for the

first 1/8 in., and SMAW for the remaining 3/8 in. Will this PQR support a

Welding Procedure Specification (WPS) for deposited weld metal

thicknesses of 1/4 in. and less using GTAW?

Reply (1): Yes.

Question (2): Will the PQR in Question (1) support a WPS for deposited

weld metal thicknesses of 3/4 in. and less using SMAW?

Reply (2): Yes.

Question (3): Will the PQR in Question (1) qualify a WPS for first using

SMAW on 3/4 in. and less deposited weld metal thickness followed by

GTAW on 1/4 in. and less deposited weld metal thickness?

Reply (3): Yes.

Question (4): The welder who successfully welded the test coupon for the

PQR in Question (1) is to be used to production weld. Is it necessary to

qualify this welder so that he may use the WPS in Question (1) within the

variables of QW-350?

Reply (4): No.

Question (5): Is it necessary to qualify this welder so that he may use the

WPS in Question (2), where the WPS uses backing, within the variables of

QW-350?

Reply (5): No.


WPS in Question (2) where the WPS does not have backing in a single-

welded groove?

Reply (6): Yes.


WPS in Question (3) in a single-welded joint?

Reply (7): Yes.

Question(8): Is the GTAW weld deposit of the PQR considered the backing

for the SMAW?

Reply (8): Yes. Question (9): QW-407.5 uses the term "critical temperature

range." Does critical temperature range mean above the upper

transformation range?

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Reply (9): Yes.


Edition/Addenda:


Subject Description: Section IX, QW-200.4Date Issued: 09/23/1986



Question(s) and Reply(ies): Question: When preparing a WPS and WPQ using the shielded metal arc

welding process with different filler metals (E6010 and E7018), is it

required to list the E6010 electrode as weld metal backing if this filler metal

is removed after it has served its purpose for backing? The deposit weld

metal for the E6010 is not subjected to the mechanical test required by QW-

200.4.

Reply: Yes.


Edition/Addenda:





Interpretation Number : IX-86-34Question(s) and Reply(ies): Question: One 1/2 in. NPS and one 3 in. NPS Schedule 40 pipe coupon are

welded in the 2G position, and one 1/2 in. NPS and one 3 in. NPS Schedule

40 pipe coupon are welded in the 5G position using the GTAW process. If

performance qualification is by radiography, is the welder qualified to weld

1/2 in. NPS diameter pipe up to a maximum deposited weld metal thickness

of 2t?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): In reference to QW-466.3, Note (c), are methods of restraint

other than the one indicated acceptable as long as sliding of the specimen is

prevented?

Reply (1): Yes.

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Question (2): Note (d) of QW-466.3 implies that the roller moves relative to

the axis of A with the clamp remaining in a fixed position. The same result

is achieved if the clamp and A rotate in the opposite direction with the roller

fixed. As long as the specimen is bent into a U shape, is this method

acceptable per QW-162.1 as being substantially in accordance with QW-

466?

Reply (2): Yes.


Edition/Addenda:


Subject Description: Section IX, QB-466.3




Question(s) and Reply(ies): Question (1): In QB-466.3, Note (b), are methods of restraint other than the

one indicated acceptable as long as sliding of the specimen is prevented?

Reply (1): Yes.

Question (2): Note (c) of QB-466.3 implies that the roller moves relative to

the axis of A with the clamp remaining in a fixed position. The same result

is achieved if the clamp and A rotate in the opposite direction with the roller

fixed. As long as the specimen is bent into a U shape, is this method

acceptable per QB-162.1 as being substantially in accordance with QB-466?

Reply (2): Yes.


Edition/Addenda:


Subject Description: Section IX, QW-452, Note (2)




Question(s) and Reply(ies): Question: Is a welder who successfully passes qualification tests using the

following variables thereby qualified to weld a 2 in. Schedule 80 pipe usinga backing ring and the SMAW process? (a) Test on 2 in. Schedule 80 pipe

with open butt using GTAW. (b) Test on 10 in. Schedule 80 pipe with open

butt using GTAW for the root and hot pass followed by fill passes using

SMAW.

Reply: No.


Edition/Addenda:

Para./Fig./Table No:Subject Description: Section IX, QW-403.18


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Question(s) and Reply(ies): Question (1): Would a welder qualified to a WPS for P-No. 1 material and

E7018 electrode be qualified to weld on P-No. 4 or P-No. 5 material using

F-No. 4 electrodes within the limits of QW-416 and QW-452 and the limits

of the specific WPS for the P-No. 4 or P-No. 5 material?

Reply (1): Yes.

Question (2): Would a welder qualified to a WPS for P-No. 1 material and

ER70S-2 electrode be qualified to weld on P-No. 4, P-No. 5, or P-No. 8

materials using F-No. 6 electrodes within the limits of QW-416 and QW-

452 and the limits of the specific WPS for the P-No. 4, P-No. 5, or P-No. 8

metals?

Reply (2): Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): In qualifying a WPS, may the actual production base metal

thickness be used as the weld test coupon thickness?

Reply (1): Yes.

Question (2): In qualifying a WPS to cover 9 mm and 28 mm base metal

thicknesses, the 28 mm side of the test coupon was tapered 3 to 1, making

the thickness at the weld 9 mm. Is the WPS qualified for the two

thicknesses?

Reply (2): No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Does QW-201 allow a manufacturer to subcontract welding to

another organization without requiring that subcontractor to perform

procedure qualifications to ASME Section IX if the following conditions

apply? (a) The original manufacturer writes and qualifies the weld

procedure in accordance with Section IX and references this procedure onengineering drawings supplied to the subcontractor. (b) The subcontractor

performs all welding in accordance with the procedures written and

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qualified by the manufacturer. (c) The subcontractor and manufacturer

qualifies all welders in accordance with Section IX.

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Does the reference to a P-Number on the WPS satisfy the

nominal composition required by QW-402.3 and QW-402.5 for the

nonessential variable backing material?

Reply (1): Yes.

Question (2): Must the actual composition of the backing material used in

the qualification of a WPS be documented on the PQR?

Reply (2): No.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Does Interpretation IX-83-140 apply only to materials listed

in the F-Number Table QW-432.1?

Reply (1): Yes.

Question (2): For what welding processes is a chemical analysis of ferrous

weld deposit required in order to determine the A-Number?

Reply (2): A chemical analysis of ferrous weld deposit is required for OFW,

SMAW, GTAW, PAW, GMAW, SAW, EGW, and ESW. This analysis

may be determined by the methods provided in QW-404.5.

Question (3): Is a chemical analysis required for ferrous weld deposit made

between base materials from two different P-Numbers?

Reply (3): A chemical analysis of ferrous weld deposit is required for OFW,

SMAW, GTAW, PAW, GMAW, SAW, EGW, and ESW. This analysis

may be determined by the methods provided in QW-404.5.

Question (4): If a chemical analysis is performed on the weld deposit of atest coupon consisting of ferrous materials from dissimilar base materials,

from where should the chemical analysis material be removed?

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Reply (4): From the weld deposit.

Question (5): Is the location specified in the answer to Question (4)

different if the provisions of QW-194 are utilized to qualify welds between

dissimilar metals?

Reply (5): No.

Question (6): Does QW-462.5 apply to the replies for Questions (4) or (5)?

Reply (6): No. Question (7): Will the chemical analysis obtained as part of

the Procedure Qualification be satisfactory for Section I or VIII use?

Reply (7): This subject is not addressed by Section IX.


Edition/Addenda:




Record Number: BC86-514A


Question(s) and Reply(ies): Question (1): An impact tested combination WPS was qualified and

contained a root pass and two passes of GTAW, multipass of SMAW and

SAW. If a production weld contains only a GTAW root pass and multipass

of SMAW and SAW, is requalification necessary due to a change from

multipass to single pass per side for the GTAW?

Reply (1): No.

Question (2): If the same production weld contained only one pass of

SMAW and multipasses of SAW, would requalification be necessary?

Reply (2): No.


Edition/Addenda:


Subject Description: Section IX, QW-163Date Issued: 03/02/1987



Question(s) and Reply(ies): Question (1): Is a bend test specimen exhibiting open defects exceeding 1/8

in. on the convex surface, which resulted from slag inclusions and other

internal defects, acceptable in accordance with QW-163?

Reply (1): No.

Question (2): Is a bend specimen exhibiting corner cracks in excess of 1/8

in. acceptable if they are not the result of slag inclusions or other internaldefects?

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Reply (2): Yes.


Edition/Addenda:


Subject Description: Section IX, QW-410.15Date Issued: 03/02/1987



Question(s) and Reply(ies): Question (1): Does QW-410.15 apply to processes or welding procedures

where only a single electrode is specified?

Reply (1): No.

Question (2): Does QW-410.15 apply to automatic hot wire GTAW?

Reply (2): Yes.

Question (3): Is the electrically preheated filler wire in hot wire GTAW

considered an electrode within the context of QW-410.15?

Reply (3): No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Can one organization employ welders and use another

organization's Welding Procedure Specification (WPS) to qualify these

welders to make welds for the second organization, where effective

operational control of performance or procedure qualification does not exist

between the two organizations?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): May a manufacturer use different brands and/ormanufacturers of welding electrodes from that used on the qualification test

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coupon when the electrodes are all classified as the same SFA specification

and classification electrodes?

Reply (1): Yes.

Question (2): Must the manufacturer obtain a deposit chemical analysis or

obtain a typical certificate of conformance showing the deposit chemical

analysis for the electrodes used to weld the qualification test coupon whenthe electrodes to be used in production welding are all classified as the same

SFA specification and classification electrode as was used to weld the

qualification test coupon?

Reply (2): No.


Edition/Addenda:


Subject Description: Section IX, QW-301Date Issued: 05/07/1987



Question(s) and Reply(ies): Question (1): A welder was qualified using a 60 deg. angle groove WPS. Is

this welder qualified to weld a 75 deg. angle groove weld where all other

essential variables are the same?

Reply (1): Yes.

Question (2): A welder was qualified using a 75 deg. angle groove WPS. Is

this welder qualified to weld a 60 deg. angle groove weld where all otheressential variables are the same?

Reply (2): Yes.


Edition/Addenda:


Subject Description: Section IX, QW-200.2 and QW-483




Question(s) and Reply(ies): Question (1): Is the absence of a laboratory test number on a Procedure

Qualification Record (PQR), QW-483 or equivalent, cause for rendering the

document invalid?

Reply (1): No.

Question (2): Is the PQR invalid if the laboratory test results are specified

on a PQR and neither the laboratory nor the owner of the PQR can produce

a copy of the laboratory test results?

Reply (2): No.

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Edition/Addenda:





Question(s) and Reply(ies): Question (1): May a welding procedure qualification record be editorially

corrected to include variables that had been omitted provided this

information can be substantiated by lab records or similar data?

Reply (1): Yes.

Question (2): Per QW-403.18 and QW-423, if a welder is qualified for

welding P-No. 1 base materials using ER 70S-2 (F-No. 6) filler metal, is he

also qualified to weld P-No. 8 or P-No. 45 base materials with other filler

metals, classified in QW-432 as F-No. 6 filler metals?

Reply (2): Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Is a welder who has successfully passed a qualification test

using manual SMAW, in the uphill progression, also qualified to weld in

the downhill progression (cover and root passes are not at issue)?

Reply (1): No.

Question (2): Is a welder who has successfully passed a qualification test

using manual SMAW, in the downhill progression, also qualified to weld in

the uphill progression (cover and root passes are not at issue)?

Reply (2): No.

Question (3): Do the above responses hold true for Section IX, 1980 Edition

with Addenda through Winter 1982?

Reply (3): Yes.


Edition/Addenda:


Subject Description: Section IX, QW-202.2 and QW-303.1Date Issued: 09/24/1987


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Question(s) and Reply(ies): Question (1): Do groove weld procedures qualified in accordance with QW-

202.2 qualify all fillet weld sizes on all base metal thicknesses and all

diameters if the resulting fillet or socket welds exhibit areas of melt-

through, sagging, dripping, or breakdown of the internal surfaces leading to

convexity or concavity?

Reply (1): Yes, within the provisions of QW-100.1.

Question (2): A welder, qualified in accordance with QW-303.1, produces

acceptable groove welds. However, fillet or socket welds produced exhibit

areas of melt-through, sagging, dripping, or breakdown of the internal

surfaces leading to convexity or concavity. Is the welder required to be

retested in accordance with QW-303.2?

Reply (2): No. The manufacturer or contractor has the option to establish

retest requirements.







Question(s) and Reply(ies): Question: Does a PQR for joining P-No. 3 Gr. No. 3 to P-No. 3 Gr. No. 3

base metal qualify for the joining of P-No. 3 Gr. No. 3 to P-No. 3 Gr. No. 1

base metal where notch toughness testing is required?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Is requalification of a SAW procedure required if the filler

metal is not classified in Section II, Part C, and is manufactured by an

organization other than that used in qualification, even though the nominal

chemical composition of the weld deposits for each filler metal is identical

to that used in qualification?

Reply (1): Yes.

Question (2): Does a PQR, qualified with PWHT at a temperature less than

the lower transformation temperature of the base material, support a WPS

specifying a different PWHT temperature, provided this temperature is alsoless than the lower transformation temperature of the base material and all

other essential variables remain the same?

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Reply (2): Yes.


Edition/Addenda:


Subject Description: Section IX, Test Specimen MovementDate Issued: 09/24/1987



Question(s) and Reply(ies): Question: For welder qualification, does Section IX prohibit the changing of

the height of a weld test coupon during the welding of the coupon?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: A PQR exists for welding a P-No. 1 Gr. No. 2 material to a P-No.

1 Gr. No. 2 material with acceptable notch toughness properties. Does this

PQR qualify for welding a P-No. 1 Gr. No. 1 material to a P-No. 1 Gr. No.

2 material where notch toughness is required?

Reply: No.


Edition/Addenda:


Subject Description: Section IX, QW-302.2 and QW-321.2(a)



Question(s) and Reply(ies): Question: May test coupons made from plate, for welder qualification by

radiographic examination, be longer than 6 in., with the required length of

weld examined by radiography a minimum of 6 in., so that the weld starts

and stops at the ends of the test coupon are not included in the radiograph?

Reply: Yes.


Edition/Addenda:Para./Fig./Table No:

Subject Description: Section IX, QW-402.11, Flexible Welding Back-Up Tape

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Question(s) and Reply(ies): Question: Is flexible welding back-up tape considered a nonmetallic retainer

per Section IX, QW-402.11?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question: If a welder is qualified with two contractors under the restrictions

of equivalent essential variables, does the welder remain qualified with both

contractors if he welds with only one of the contractors with the same

process for a period of 3 months or more?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Does a welder who welds in only one position for more than 6

months maintain his qualification in other positions for which he is

qualified for a given process?

Reply (1): Yes.

Question (2): Does a welder who is qualified for a given process for bothgroove and corrosion-resistant welding maintain his qualification for

corrosion-resistant overlay welding if he welds groove-welds only for more

than 6 months?

Reply (2): Yes.

Question (3): Is changing from groove-welding to corrosion-resistant or

wear-resistant welding considered a change in process for maintenance of

welder qualification?

Reply (3): No.


Edition/Addenda:

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Subject Description: Section IX, Intermittent Nondestructive Testing




Question(s) and Reply(ies): Question: Is intermediate additional nondestructive examination duringwelding of a welding procedure qualification test assembly prohibited by

Section IX?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Does a PQR employing an E7018 A-1(A-No.2) electrode qualify

the use of an E7018 (A-No. 1) electrode, with all other essential variables

unchanged?

Reply: Yes. See QW-431.


Edition/Addenda:






Question(s) and Reply(ies): Question: As per QW-304, with the exception of the short-circuiting mode,

is it permissible to qualify a welder by radiography alone when using the

FCAW process?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): A procedure qualification consisting of a double-welded butt

groove joint is made with SMAW root and SAW fill. Prior to back-side

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welding with SAW, the SMAW root pass is almost completely removed by

back gouging. Does the above procedure qualification support a

combination WPS of SMAW and SAW if the SMAW root pass is

completely removed in production?

Reply (1): Yes.

Question (2): If in the above question the SMAW root is completelyremoved in the procedure qualification, is SMAW qualified to be used in

production welding?

Reply (2): No.

Question (3): Is a welder who makes a root pass on a double-welded butt

joint qualification test, qualified to weld without backing?

Reply (3): No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Can the chemical analysis or mechanical properties of a material

assigned to a P-Number in QW-422 be modified from the requirements of

the material specification and still be considered assigned to that

P-Number?

Reply: No.


Edition/Addenda:





Question(s) and Reply(ies): Question: When employing a groove-weld WPS to join flat plates of

dissimilar thickness in a corner joint, is it a requirement of QW-202.4 that

both the thicker and thinner members must be qualified within the range

permitted by QW-451 unless the alternative provided in QW-202.4 is used?

Reply: Yes.


Edition/Addenda:Para./Fig./Table No:


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Question(s) and Reply(ies): Question: QW-301.4 requires a record of Welder Performance

Qualification. May the Procedure Qualification Record Form (PQR) serve

as the Welder Performance Qualification Form (WPQ) for the welder who

prepared the qualification test coupons?

Reply: Yes, provided all required Welder Performance Qualification

information is included on the PQR Form.


Edition/Addenda:






Question(s) and Reply(ies): Question: In describing the joint backing on the WPS for a multiprocess

single-welded groove weld procedure with no backing for the root pass,

must the backing for each process after the root pass be individually

addressed?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): A performance qualification groove weld test coupon has

been successfully made by a welder on a 3/4 in. thick test coupon using

transverse bend tests in accordance with QW-452. The test weld was made

with one process, utilizing filler metals of two different F-Numbers. Is thedeposited weld metal thickness qualified, for each of the F-Number filler

metals used in qualification, "max. to be welded"?

Reply (1): Yes.

Question (2): Is the deposited weld metal thickness qualified, for the

welding process utilized in qualification, "max. to be welded"?

Reply (2): Yes.

Question (3): Is the deposited weld metal thickness for each of the

additional F-Number filler metals qualified in accordance with QW-404.28,QW-404.11, QW-404.15, and QW-404.16 "max. to be welded"?

Reply (3): Yes.

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Edition/Addenda:






Question(s) and Reply(ies): Question (1): Is it required that all of the essential and nonessential

variables listed in QW-250 through QW-280 for each welding process be

addressed in the WPS, even though some of these variables are not

applicable?

Reply (1): Yes.

Question (2): When QW-410.9 is a variable for a process, may a qualified

multipass welding procedure be used to make single pass repairs, even if the

WPS does not specify a single pass technique?

Reply (2): No.

Question (3): Is it permissible to record the required essential variables of

QW-352 through QW-357 for more than one process on a single WPQ

record?

Reply (3): Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Does QW-153.1(d) apply not only to the qualification of a

WPS, but also to any subsequent tensile testing which may be required as a

result of a customer's request?

Reply (1): No; QW-153.1 only applies to the qualification of a WPS.

Question (2): Are any yield strength elongations or reduction of area

determinations from said tensile test relevant as far as QW-153.1 is

concerned?

Reply (2): No.


Edition/Addenda:




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Question(s) and Reply(ies): Question (1): When qualification in accordance with Section IX is required

by the construction code for welding of non-pressure retaining attachments

to pressure parts, does QW-424 apply?

Reply (1): Yes.

Question (2): Can materials made in accordance with different standards

and/or with different specifications but with the same nominal chemical

composition and mechanical properties, be treated as the same unassigned

metal?

Reply (2): Yes; see QW-424.1.


Edition/Addenda:






Question(s) and Reply(ies): Question: A production butt weld 120 mm thick is to be made. May two

welders, each qualified to deposit a maximum thickness of 20 mm,

alternatively deposit weld layers not exceeding their qualified thickness,

resulting in a completed weld where each of the welders deposited a total of

approximately 60 mm of filler material, thereby exceeding their maximum

qualified thickness in the production weldment?

Reply: No; see QW-351.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): Does Table QW-451 apply to production welds and/or

production weld coupons, or does it apply to welding procedure

qualification only?

Reply (1): Table QW-451 applies to welding procedure qualification for

production welding. The requirements for production weld coupons are

specified by the construction code.

Question (2): Does QW-403.6 refer to production welds and/or production

weld coupons, or to welding procedure qualification only?

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Reply (2): QW-403.6 applies to welding procedure qualification for

production welding. The requirements for production weld coupons are

specified by the construction code.


Edition/Addenda:


Subject Description: Section II, Part C, Chemistry Deviations




Question(s) and Reply(ies): Question (1): If the composition of a welding rod or electrode deviates from

the limits given in the appropriate SFA specification, but the mechanical

properties and all other requirements of the specification have been met, can

the manufacturer state that his product is classified according to AWS?

Reply (1): No.

Question (2): Given the situation in Question (1), can the manufacturer state

that his product complies with the requirements of Section II, Part C, except

Si and/or Mn?

Reply (2): No.

Question (3): According to SFA 5.4, para. 13.2, chemical analysis must be

tested from a weld pad sample. As the results obtained are not satisfactory,

can the manufacturer take the analysis from the all-weld-metal tension test

specimen?

Reply (3): No.

Question (4): If the results of the test in Question (3) are on the acceptable

limits, can the manufacturer state that his product complies with the

requirements of Section II, Part C?

Reply (4): No.


Edition/Addenda:






Question(s) and Reply(ies): Question: If a welder qualifies with a process on NPS 2 in the 6G position,

is he then qualified per QW-452.3 to weld larger diameter pipe with that

process, assuming that all other essential variables are unchanged?

Reply: Yes.


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Edition/Addenda:





Interpretation Number : IX-89-10Question(s) and Reply(ies): Question (1): May an organization, as defined in QW-300.2, incorporate a

procedure in its Quality Control System to receive the data supplied by

another organization beyond its operational control, for the purpose of

providing effective operational control of performance qualifications as

described in QW-300.2?

Reply (1): No.

Question (2): May two or more companies within the same organization

provide the data described in Question (1) to each other for the purpose of

providing effective operational control of performance qualifications as

described in QW-300.2?

Reply (2): Yes.


Edition/Addenda:





Question(s) and Reply(ies): Question: If qualified SMAW procedures exist for welding P-No.1 Gr-

No.2, 0.5 in. pipe with a 0.188 in. wall in the 6G position using an F-No. 4

electrode, and P-No. 1 Gr-No.2, 4.0 in. pipe with a 436 in. wall in the 6G

position using an F-No. 4 electrode, will a separate welding procedure be

required to weld 2 in. pipe with a 0.436 in. wall?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Can a WPS qualified on groove welds be used for weld repairs to

corrosion-resistant weld metal overlay per QW-202.3?

Reply: No.


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Edition/Addenda:


Subject Description: Section II, Part C, SFA-5.1




Question(s) and Reply(ies): Question: When welding on ASME Code items operational at temperatures

less than -20°F, may the manufacturer use E-7018 electrodes in place of

E-7018-1 electrodes in the flat position, even though the procedure

qualification was done with E-7018-1 electrodes?

Reply: No.


Edition/Addenda:






Question(s) and Reply(ies): Question: Does the use of SA-420, S41500, require requalification if ASTM

A 487, Class CA6NM, was originally used during procedure qualification?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question: If a welder is qualified for the welding of P-No. 1 material, is he

also qualified for P-No. 1 through P-No. 11 and P-No. 4X material?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies):

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Question: Is the terminology welding grade acceptable to use on the WPS

and PQR for shielding gas percentage when argon is used as a single

shielding gas for the GTAW process?

Reply: Yes.







Question(s) and Reply(ies): Question: Must a qualified SMAW WPS written for a groove weld on pipe

be revised and requalified to support a SMAW groove weld on plate?

Reply: Yes, however, procedure requalification is not required.


Edition/Addenda:





Interpretation Number : IX-89-18Question(s) and Reply(ies): Question: A 3/8 in. thick SA-240 plate is used as base metal in coupon

preparation. Actual base metal coupon thickness is 0.413 in., which

complies with thickness tolerances outlined in SA-480. Is the range of base

metal thickness qualified 1/16 in. to 3/4 in. inclusive?

Reply: Yes, provided 3/8 in. is recorded on the PQR.


Edition/Addenda:

Para./Fig./Table No:Subject Description: Section IX, QW-409.8




Question(s) and Reply(ies): Question (1): For the SMAW and GTAW processes, is it necessary to

specify the amperage range, ie., non-essential variable, on the WPS when

the voltage range is identified?

Reply (1): Yes.

Question (2): For the GMAW process, is it necessary to specify either

amperage or voltage, or both, on the WPS when the WPS identifies a wire

feed rate range?

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Reply (2): Voltage must be specified, amperage need not be specified on the

WPS.


Edition/Addenda:


Subject Description: Section IX, QW-403.16, QW-404.30, and QW-405.1




Question(s) and Reply(ies): Question (1): Given a qualified GTAW groove weld procedure whose T

range is 1/16 in. to 1/2 in. with 1/2 in. t, will the following welder

qualification data support all position welding of plate and pipe above 1/4

in. NPS with a maximum t of 0.432 in. and a maximum T of 1/2 in.?

Coupon; 3 in. pipe, schedule 40, 0.088 in. wall; 3 in. pipe, schedule 40,

0.216 in. wall.; position 2G; position 5G. Both coupons were successfully bend tested in accordance with QW-452.1.

Reply (1): No.

Question (2): A welder qualifies on a 3 in. schedule 40 pipe coupon, 0.216

in. wall groove weld, using the GTAW process. According to QW-452.1, he

is qualified for 2 X 0.216 in., or 0.432 in. May the decimal dimension be

rounded up to the nearest fractional value, 7/16 in., and the fraction value

used for the welder qualification t limit?

Reply (2): No.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): A welder is qualified by radiographic examination as

permitted in QW-304, for the following processes/test coupon thicknesses:SMAW -- Test Coupon 15 mm nominal wall thickness; SAW -- Test

Coupon 18 mm nominal wall thickness; GTAW -- Test Coupon 10 mm

nominal wall thickness. Is the welder qualified up to the following

thicknesses of deposited weld metal, as determined from table QW-452.1:

SMAW -- 30 mm; SAW -- 36 mm, GTAW -- 20 mm?

Reply (1): Yes.

Question (2): Does QW-452.1, third column, address only the limitations of

deposited weld metal thicknesses and not the maximum work piece

thickness qualified?

Reply (2): Yes.

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Question (3): May a workpiece 86 mm (nominal) thickness be welded by

the above welder, when he deposits the maximum thickness weld metal

with each process for which he is qualified?

Reply (3): Yes.

Question (4): On form QW-484 shall the thickness to be written as the

deposited weld metal thickness be recorded separately for each process usedduring the welder qualification test?

Reply (4): Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question: Does QW-283 apply when welding carbon or low alloy steels

such as P-No.1 through P-No.5 materials to another carbon or low alloy

steel, when one or both of the base metals is "buttered" with one or more

layers of an austenitic stainless steel or nickel based alloy?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): A welding procedure qualification is made using the

following combination of base metals P-No.1 Gr-No.1 to P-No.1 Gr-No.2.

The client specification requires impact testing only for P-No.1 Gr-No.1

materials (in the weld metal and heat affected zone). For procedurequalification purposes, is the impact testing only required in the weld metal

and in the heat affected zone on the P-No.1 Gr-No.1 base metal side?

Reply (1): Impact tests are conducted when required by other ASME

Sections.

Question (2): Does the procedure qualification test coupon qualify the

welding of P-No.1 Gr-No.1 base metal to any other P-No.1 base metal not

to be impact tested using the variables qualified?

Reply (2): Yes.


Edition/Addenda:

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Subject Description: Section IX, QW-404.30, and QW-405.1




Question(s) and Reply(ies): Question: A welder is currently qualified to deposit ½ in. in all positions.Will an additional test on a ¾ in. thick coupon welded in the 1G test

position qualify him to deposit the "max. to be welded" (per QW-452.1) in

all positions?

Reply: No.


Edition/Addenda:


Subject Description: Section IX, QW-151.1 and QW-462.1(a)Date Issued: 06/07/1989



Question(s) and Reply(ies): Question (1): Is there a minimum machine thickness requirement, in

relation to the original test coupon thickness, for reduced section tensile

specimens to conform to the dimensions of QW-462.1(a)?

Reply (1): No.

Question (2): In paragraph QW-462 is there a dimension y in relation to

dimensions x or T which is unacceptable?

Reply (2): In paragraph QW-462 x, y, and T are not dimensional, they are

used to designate test coupon locations.


Edition/Addenda:


Subject Description: Section IX, 1987 Addenda, QW-403.5, and QW-424

Date Issued: 06/07/1989Record Number: BC89-103


Question(s) and Reply(ies): Question (1): A PQR has been qualified using a combination of SMAW and

SAW on P-No.5 Gr-No.1 and P-No.4 Gr-No.1 materials. Will a WPS be

supported utilizing this PQR for P-No.5 Gr-No.1 to P-No.4 Gr-No.1,

P-No.3, or P-No.1 materials if supplementary essential variables are

required?

Reply (1): No, only P-No.5 Gr-No.1 to P-No.4 Gr-No.1 is qualified.

Question (2): Will a WPS be supported utilizing the above PQR for P-No.5Gr-No.1 to P-No.5 Gr-No.1 or P-No.4, P-No.3, or P-No.l, if supplementary

essential variables are not required?

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Reply (2): The following combinations are qualified: P-No.5 to P-No.4,

P-No.4 to P-No. 4, P-No.4 to P-No. 3, and P-No. 4 to P-No.1.


Edition/Addenda:


Subject Description: Section IX, QW-322(a)




Question(s) and Reply(ies): Question: When performance qualifications are extended for a particular

welding process to six months by welding with another process, is the

welder or welding operator required to be qualified in the other process that

he is welding with?

Reply: Yes.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): A welder has been qualified with the SMAW process usingF-No. 3 electrodes for the root pass, and F-No. 4 electrodes for the fill and

wash process. Is the F-No. 3 weld deposit for this qualification considered

backing for the F-No. 4 electrode weld deposit?

Reply (1): Yes.

Question (2): Is the welder qualified to make the complete weld with the

F-No. 4 electrode?

Reply (2): Yes, provided backing is used.


Edition/Addenda:






Question(s) and Reply(ies): Question (1): To qualify a WPS in accordance with QW-216, is it a

requirement of Section IX that the electrodes to be used conform to F-No.

71 or F-No. 72 of QW-432.7?

Reply (1): No.

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Question (2): Is it.acceptable to qualify a WPS in accordance with QW-216

using electrodes with weld metal analysis conforming to A-No. 6, A-No. 8,

or A-No. 9 per QW-442 on P-No. 6 and P-No. 1 base materials?

Reply (2): Yes.







Question(s) and Reply(ies): Question: In addition to the ranges in QW-452 as required by QW-301.4, is

it a requirement to list the values or ranges for all other variables for which

the welder is qualified (e.g. Materials Specification, P-Nos., F-Nos., etc.)?

Reply: No, additional information or limitations may be listed at the option

of the Manufacturer.


Edition/Addenda:


Subject Description: Section IX, QW-218, Applied Linings




Question(s) and Reply(ies): Question: A carbon steel vessel requires the installation of an applied liner

due to service conditions. If the weld is completed in such a way that it is

essentially two fillet welds and a cover pass, would a weld procedure

qualified for groove welding be acceptable?

Reply: No. See QW-218.


Edition/Addenda:






Question(s) and Reply(ies): Question: Do the requirements of QW-216.1 define the minimum base

metal thickness qualified with one PQR or does it impose two PQRs for a

procedure if it is the users intent to use it on both components over one inch

thick and components less than one inch thick using identical parameters?

Reply: Two PQRs would be required.

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