131918723 ASME IX Explanations

8/12/2019 131918723 ASME IX Explanations

1/77

ASME SECTION IX INTERPRETATIONS

NOTE: THESE INTERPRETATIONS ARE FOR ASME COMMITTEE USE ONLY.

THEY ARE NOT TO BE DUPLICATED OR USED FOR OTHER THAN ASME

COMMITTEE BUSINESS.

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VOLUME %%

Iner&re'i#n: IX()*(+)

Subject: QW-306, Combination of Welding Processes; QW-4!"# and QW-4!"3,

Performance Qualification $%ic&ness 'imits and $est S(ecimens

)ate *ssued: +ebruar !!, #3

+ile .o: !-!06

/ac&ground: $%e combination of elding (rocesses and (i(e diameters listed belo ere used

for (erformance 1ualification:

2# ! in" Sc%" 0 2"!# (i(e it% o(en butt using 5$W (rocess"

2! ! in" Sc%" #60 2"343 (i(e it% consumable insert and fill (ass using t%e 57W (rocess

and t%e remainder elded it% S8W (rocess"

23 6 in" 99S 2"64 using S8W (rocess it% bac&ing"

Question: sing t%e combinations listed in t%e /ac&ground, in accordance it% QW-306, .ote !

of QW-4!"# to determine maimum t%ic&ness 1ualified, and QW-4!"3 for minimum diameter

1ualification, is t%e elder 1ualified to eld on unlimited t%ic&ness and diameters abo


2/77


3/77

/ac&ground: elding o(erator is in t%e (rocess of reneing %isB%er 1ualification using

mac%ine 5$W elding e1ui(ment" )uring t%e (rocess t%e mac%ine malfunctions and burns

t%roug% t%e root (ass of t%e test cou(on" .o o(erator error is noted" +olloing t%e malfunction,

t%e test cou(on is re(aired using a manual 5$W (rocess" fter t%e re(air, t%e mac%ine elding

e1ui(ment is used to com(lete t%e rest of t%e test cou(on"

Question: 8a a elding o(erator (erformance test cou(on being elded for 1ualification orreneal, be re(aired (rior to testing, using a manual elding (rocedure=

7e(l: .o"

Iner&re'i#n: IX()*(+

Subject: QW-4!3"#, lternate /ase 8etals for Welder Qualification

)ate *ssued: 8a !6, #3

+ile .o: 3-#4

Question: *n QW-4!3"#, is P-.o" 4! included in P-.o" 49=

7e(l: >es"

Iner&re'i#n: IX()*(

Subject: QW-!0#, 8anufacturerFs or ContractorFs 7es(onsibilit


+ile .o: 3-3GG

/ac&ground: Com(an and Com(an / merge di


4/77

(rocedure 1ualifications" Was our client rig%t in rejecting t%e use b our com(an of t%e

subcontractor 1ualified elding (rocedures for t%e erection or& of t%e (refabricated (i(ing=

7e(l: $%is is a contractual issue, %ic% S8@ does not address"

Iner&re'i#n: IX()*(1Subject: QW-306, Combination of Welding Processes; and QW-4#, 5roo


5/77


6/77

Question 2!c: 8a t%e edges of t%e oes"

7e(l 2!c: >es"

Question 23: ma QW-46#" 5roo


7/77

7e(l: .o"

Iner&re'i#n: IX()*(0

Subject: QW-46!, $est S(ecimens

)ate *ssued: Se(tember !!, #3+ile .o: 3-#

Question: QW-46! defines W as Ds(ecimen idt%, O in"E" *s O in" a minimum or maimum

dimension re1uirement for (re(aring a reduced section tensile s(ecimen=

7e(l: .o"


Subject: QW-!00"4, Combination of Welding Procedures; and QW-4#"4, +illet Welds

Qualified b 5roo


8/77


9/77


10/77

/ac&ground: PQ7 as elded on a ! in" t%ic& P-.o" #, 5r" ! material and (ost eld %eat

treated at ##0+ for si %ours 23 %rsBin" it% su((lementar essential


11/77

7e(l 2#: .o"

Question 2!: *s t%e %eat in(ut es"


Subject: QW-40"# and QW-40", @lectrical C%aracteristics

)ate *ssued: +ebruar #4, #4

+ile .o: 3-3

Question: Section *9, QW-40" and QW-40"#, re1uire t%at t%e es"

Iner&re'i#n: IX()*()-

Subject: QW-46#", Performance Qualification Position and )iameter 'imitations)ate *ssued: +ebruar #4, #4

+ile .o: 3-G3

Question: elder %as (assed to se(arate tests; one on in" ?")" b 0"04 in" t%ic& (i(eelded in t%e 65 (osition using 5$W (rocess, and anot%er on M in" t%ic& (late elded in t%e

#5 (osition using 5$W (rocess" )o t%ese to tests in combination 1ualif t%e elder to eld(i(e of unlimited diameter in all (ositions u( to # in" t%ic& using 5$W=

7e(l: .o"

Iner&re'i#n: IX()*()

Subject: QW-300, 5eneral Welding Performance Qualifications

)ate *ssued: +ebruar #4, #4


12/77

+ile .o: 3-G

Question: )oes Section *9 (ro%ibit ma&ing editorial corrections to elder and elding o(erator

(erformance 1ualification records=

7e(l: .o"

Iner&re'i#n: IX()*()*

Subject: QW-!0#, 8anufacturerFs or ContractorFs 7es(onsibilit, Clarification 7e1uest to

*nter(retation *9-!-0G, )ate *ssued: ?ct" G, ##, +ile #-#6


+ile .o: 3-6G

Question 2#: *s t%e term D?rganiNationE as stated in QW-!0# and DCom(an E in

*nter(retation *9-!-0G one and t%e same=

7e(l 2#: .o"

/ac&ground: $o com(anies are contracted b a client com(an to underta&e (i(e or&

installation on its facilit" ll stages of t%e Welding Procedure Qualification Process for t%e to

contracted com(anies are itnessed b t%e client com(anies re(resentaties"

Question 2!: )oes t%e braNing (rocedure 1ualification test it% dissimilar metals using one

metal listed in one S-.umber to one s(ecific metal not listed in one S or P-.umber 1ualif for

t%e braNing of all ot%er base metals in t%e same S-.umber to t%emsel


13/77

7e(l 2!: >es"

Iner&re'i#n: IX()*()/

Subject: Section **, Part C S+-")ate *ssued: 8a !0, #4

+ile .o: 3-G4

Question: 8a WS Classification /ag-34 be considered S+-" filler metal ees"

Iner&re'i#n: IX()*()+

Subject: QW-!00, 5eneral Welding Procedure Qualifications


+ile .o: 4-00

Question: 8a a single WPS be 1ualified bot% it% PWI$ and it%out PWI$ 2to PQ7s,

t%ereb alloing t%e WPS to be used it% or it%out PWI$=

7e(l: >es"

Iner&re'i#n: IX()*()

Subject: QW-300, 5eneral Welding Procedure Qualifications


+ile .o: 4-#0!

/ac&ground: elder is 1ualified on a .PS ! Sc%" 40 (i(e test cou(on using 5$W #"6 mm

de(osited eld metal and S8W !"4 mm de(osited eld metal"

Question 2#: *s t%e S8W (ortion of t%e (erformance 1ualification considered elding it%

bac&ing=

7e(l 2#: >es"

Question 2!: *s t%e elder 1ualified to eld .PS 4 single elded groo


14/77

Question: ccording to QW-!00"42a, %en a 1ualified WPS for a combination (rocess is

a


15/77

Question: W%at are t%e minimum and maimum tolerances for s(ecimens s%on in QW-46!,

%ere t%e figures s%o Da((roimateE dimensions=

7e(l: s stated in t%e +oreord, D$%e Code does not full address tolerances" W%en

dimensions, siNes, or ot%er (arameters are not s(ecified it% tolerances, t%e


16/77

flu" $%e flu trade name is mentioned on t%e WPS and PQ7 along it% t%e former WS

classification"

Question 2!: *s it re1uired to re1ualif t%is WPS due to t%e c%ange in t%e WS class of t%e ire

flu combination b t%e flu manufacturer it%out c%anging its $rade .ame=

7e(l 2!: >es, see (ara" QW-404"2a"

Iner&re'i#n: IX()+(-+

Subject: QW-4!!, P-.umbers

)ate *ssued: Se(tember !#, #4

+ile .o: 4-36

Question: 8a S/-64 .S .0! be considered as P-.o" 4, since it %as identical (ro(erties

to S/-4! .S .0! t%at is assigned P-.o" 4 in QW-4!!=

7e(l: .o"

Iner&re'i#n: IX()+(-

Subject: QW-#3"#, $ension $ests

)ate *ssued: Se(tember !#, #4+ile .o: 4-4!

Question: *f a tensile s(ecimen brea&s in t%e eld metal, belo t%e eld metalFs minimum

s(ecified tensile re1uirement, but not belo t%e minimum tensile strengt% s(ecified for t%e base

metal, is t%e PQ7 considered acce(table=

7e(l: >es"

VOLUME %0

Iner&re'i#n: IX()+(-0

Subject: QW-4!0"!, S-.umbers

)ate *ssued: 8arc% #G, #+ile .o: 4-!!

Question: W%en 1ualifing a elding (rocedure using S# grou( ! for P* '960 (i(e joining to

8SS SP-G or S$8 60 WPI>-6 fittings, or %en joining WPI>-60 fittings to eac% ot%er,is it (ermissible to use t%e corres(onding S-.umber for t%e fitting as t%e same grade of %ig%

strengt% (i(e %en t%e (%sical (ro(erties are similar=

7e(l: .o"

Iner&re'i#n: IX()+(-1

Subject: QW-46!"42a, +illet Weld Procedure

)ate *ssued: 8arc% #G, #

+ile .o: 4-43


17/77

Question 2#: W%en T2is greater t%an O in" in +ig" QW-46!"42a, %at is t%e maimum siNe fillet

eld re1uired=

7e(l 2#: O in"

Question 2!: *n QW-46!"42a, %at does DsiNe of fillet T t%ic&ness T2E mean=

7e(l 2!: $%e lengt% of eac% fillet leg2s s%all be nominall e1ual to t%e t%ic&ness of T2"

Question 23: *s t%ere a tolerance for t%e fillet leg siNe=

7e(l 23: .o" s stated in t%e #! ddenda to t%e +oreord, %en tolerances are not

s(ecified, dimensions are considered nominal and alloable tolerances or local es"

Iner&re'i#n: IX()+(-

Subject: QW-!00"4, Combination of Welding Procedures


+ile .o: 4-66!

Question: 8a a single (rocess WPS be 1ualified b a combination (rocess PQ7 %ere noessential es"

Iner&re'i#n: IX()+(Subject: QW-40, 5as


+ile .o: -00!

Question: *s it re1uired to indicate t%e (urit le


18/77

Iner&re'i#n: IX()+(*

Subject: QW-!0!"4, )issimilar /ase 8etal $%ic&nesses

)ate *ssued: 8arc% #G, #+ile .o: -0!G

Question: )oes QW-!0!"4 include butt joints and corner joints %en joining dissimilar base

metal t%ic&nesses %en (re(ared it% a grooes"

Iner&re'i#n: IX()+(%

Subject: QW-!03, 'imits of Qualified Positions for Procedures; and Section **, Part C,

S+-"# and "

)ate *ssued: Hune #, #

+ile .o: 4-03

Question: )o t%e re1uirements for classification of filler metals in accordance it% S8@

Section **, Part C a((l to t%e 1ualification of elding and braNing (rocedures in accordance it%

Section *9=

7e(l: .o"

Iner&re'i#n: IX()+(/

Subject: QW-300"3, Welding Performance Qualifications


+ile .o: -040

Question: re t%ere an circumstances under %ic% a non-em(loee (erson or organiNation can

re(resent one or more (artici(ating organiNations during elding of t%e test cou(on in accordance

it% t%e re1uirements of QW-300"3=

7e(l: .o"

Iner&re'i#n: IX()+(+

Subject: QW-#60, 5uided-/end $ests; and QW-466 .ote 2b $est Higs

)ate *ssued: Hune #, #+ile .o: -04

Question: *s it acce(table to measure t%e (ercent elongation of t%e tensile s(ecimens in lieu of

bend s(ecimens to measure t%e ductilit for elding (rocedure 1ualification acce(tance=

7e(l: .o"

Iner&re'i#n: IX()+(

Subject: QW-!, Welding Kariables Procedure S(ecifications for +CW; and QW-


19/77

40"!, 5as


+ile .o: -0

Question: 8a a +CW elding (rocedure, 1ualified it%out s%ielding gas, be used it% as%ielding gas it%out re1ualification=

7e(l: .o"

VOLUME %1

Iner&re'i#n: IX()+(0

Subject: QW-30!"4, Kisual @amination

)ate *ssued: ?ctober #, #

+ile .o: -03

Question 2#: +or t%e fillet eld cou(on in elder (erformance 1ualification, does t%e macro

eamination re1uired (er QW-4!" eem(t t%e


20/77

Question 2#: re t%e ot%er nine contractors %o 1ualified t%e elder simultaneousl, re1uired to

re


21/77

Iner&re'i#n: IX()+(*%

Subject: QW-43, .otes 23 and 2#0, $%ic&ness 'imits and $est S(ecimens for Iard-

+acing and Corrosion-7esistant ?es"

Question 2!: 8ust t%e acce(tance criteria be s(ecified on t%e WPS=

7e(l 2!: >es"

VOLUME %)

Iner&re'i#n: IX()+(*/

Subject: QW-403"#, /ase 8etals)ate *ssued: 8arc% #, #6

+ile .o: -#4

Question: )oes a WPS 1ualified using P-.o" #, 5rou( .o" # material, 1ualif elding for P-.o"

#, 5rou( .o" ! material, %en notc% toug%ness tests are not re1uired=

7e(l: >es"

Iner&re'i#n: IX()+(*+


)ate *ssued: 8arc% #, #6

+ile .o: -!!

Question: *f com(an (urc%ases com(an /, is it (ermissible for com(an to rite Welding

Procedure S(ecifications 2WPS in t%eir name, su((orted b Procedure Qualification 7ecords

2PQ7 1ualified b com(an /=

7e(l: >es"

Iner&re'i#n: IX()+(*


)ate *ssued: 8arc% #, #6

+ile .o: -303

/ac&ground: Com(an ons com(an / and c%anges its name to C" $%e ne com(an C

continues to use t%e WPSs and PQ7s initiall de


22/77

(arent com(an s(lits C bac& to / and C" /ot% / and C no o(erate inde(endentl, but under

com(an "

Question: 8a com(an / use t%e WPSs and PQ7s initiall dees, (ro


23/77

)ate *ssued: 8a 30, #6

+ile .o: 6-0G3

Question 2#: )o t%e essential


24/77

Qualit Control Sstem or Qualit ssurance Program of eac% manufacturer or contractor

describes t%e control of elders=

7e(l: >es"

Iner&re'i#n: IX()+(%%Subject: QW-403"#0, S%ort-Circuiting 8ode

)ate *ssued: Se(tember !4, #6

+ile .o: 6-00#

Question: )oes QW-403"#0 limit t%e base metal t%ic&ness 1ualified to #"#$ for a combination

58W-SBS8W PQ7 test cou(on t%ic&ness D$E less t%an M in", %en used to su((ort a

combination 58W-SBS8W WPS=

7e(l: >es"

Iner&re'i#n: IX()+(%/Subject: QW-!0!"3, Weld 7e(air and /uildu(

)ate *ssued: Se(tember !4, #6

+ile .o: 6-060

/ac&ground: ssurance of defect-free %ardfacing de(osits on cast surfaces is often im(ro


25/77

Iner&re'i#n: IX()+(%

Subject: QW-300, Welding Performance Qualifications

)ate *ssued: Se(tember !4, #6+ile .o: 6-3#4

Question 2#: Would t%e successful 1ualification of a elder in a manual or semi-automatic

met%od 1ualif %im to eld in (roduction using a mac%ine or automatic met%od in t%e same

(rocess=

7e(l 2#: .o"

Question 2!: Since t%e essential es"

Iner&re'i#n: IX()+(%0

Subject: QW-404", +iller 8etals

)ate *ssued: Se(tember !4, #6+ile .o: 6-3#

Question: *n accordance it% QW-404"2c, does a c%ange in t%e ire classification s%on in

S+-", it% no c%ange in t%e flu com(osition, +-.umber, or -.umber, re1uire (rocedure

re1ualification=

7e(l: .o"

VOLUME /

Iner&re'i#n: IX()+(%1

Subject: QW-3!!, @(iration and 7eneal of Qualification

)ate *ssued: Hanuar 6, #G+ile .o: 6-#3!

Question: *s it a re1uirement of QW-3!! for a manufacturer to maintain records to demonstrate a

elderFs or elding o(eratorFs continuing 1ualification for a (rocess from t%e date of t%e original1ualification test=

7e(l: Section *9 does not address %o conformance to QW-3!! is demonstrated" ?t%er boo&

sections m address t%e maintenance of records"

Iner&re'i#n: IX()+(%)

Subject: QW-304, Performance Qualification Welders

)ate *ssued: Hanuar 6, #G

+ile .o: 6-33#


26/77

Question 2#: Would t%e successful (erformance 1ualification of a elder in a manual or semi-

automatic t(e 2e"g", 58W, 5$W, SW (er QW-304 1ualif t%e same elder to o(erate as

elding o(erator in mac%ine or automatic t(e elding=

7e(l 2#: .o"

Question 2!: *f a elder used 58W 2s%ort-circuiting mode for t%e root (ass and SW for t%e

%ot and fill (asses of test cou(on, ma t%e test cou(on be testing using radiogra(% for t%e SW

(ortion of t%e eld, in accordance it% QW-304 and QW-306=

7e(l 2!: >es"

Iner&re'i#n: IX()+(/-


)ate *ssued: Hanuar !#, #G

+ile .o: 3-43# and -!!!

/ac&ground: Com(an as a subsidiar of Com(an /" Com(an / sold Com(an to

Com(an C, and Com(an became a di


27/77

Iner&re'i#n: IX()+(/*

Subject: QW-!4, Seam Welding @1ui(ment Qualification

)ate *ssued: 8a !0, #G

+ile .o: G-044

/ac&ground: W%en 1ualifing resistance seam elding e1ui(ment for QW-!4, testing and

acce(tance criteria s%all be in accordance it% QW-#6" QW-#6"!"# addresses s%ear tests(ecimens, but onl deals it% s(ot elding"

Question 2#: W%en 1ualifing seam elding e1ui(ment, do t%e re1uirements for s(ot s%ear test

(er QW-#6"!"# a((l=

7e(l 2#: .o"

Question 2!: )o t%e rules of QW-!6 for (rocedures 1ualification a((l for e1ui(ment

1ualification=

7e(l 2!: .o"

VOLUME /*

Iner&re'i#n: IX()1(-

Subject: Q/-#4#"4, Sectioning $ests

)ate *ssued: )ecember #, #G

+ile .o: G-304

Question: *n Q/-4#"3, .ote 2#, is t%e Sectioning $est a substitute for t%e Peel $est=

7e(l: >es"

Iner&re'i#n: IX()1(-*


)ate *ssued: )ecember #, #G

+ile .o: G-30

Question: 8a a manufacturer use anot%er organiNationFs Welding Procedure S(ecifications in

fabrication of (ressure


28/77

Question: )oes a (artial (enetration groo


29/77


30/77

7e(l: >es"

Iner&re'i#n: IX()1(

Subject: QW-300, Welding Performance Qualifications)ate *ssued: ?ctober , #

+ile .o: -#33

Question: 8a Com(an retain t%e Com(an / em(loee res(onsible for elder (erformance

1ualification, to re


31/77

Question 2#: *s t%e elding o(erator 1ualified for bot% )irect and 7emote Kisual control

tec%ni1ues a((lied eit%er in single or multi(le laers=

7e(l 2#: >es"

Question 2!: +or t%e 1ualification described in t%e bac&ground, ma to elding o(erators

1ualif on one cou(on, (roes"

VOLUME /+

Iner&re'i#n: IX()1(0

Subject: QW-43, ProcedureBPerformance Qualification $%ic&ness 'imits and $estS(ecimens for Iard-+acing 2Wear 7esistant and Corrosion-7esistant ?


32/77

Iner&re'i#n: IX()1(1

Subject: QW-!0#"#, 8anufacturerFs or ContractorFs 7es(onsibilit

)ate *ssued: 8arc% !3, #

+ile .o: -0!

/ac&ground: W%en one of a com(anFs (lants is sold, it is not clear if t%e ne oner can use t%eWelding Procedure S(ecifications 2WPS and Procedure Qualification 7ecords 2PQ7 1ualified

b t%e original com(an, %en t%e original com(an is%es to continue using t%ose WPSsBPQ7s"

Question: Com(an sells one of its (lants to Com(an /" 8a bot% Com(an and

Com(an / use t%e WPSsBPQ7s (rees, (ro


33/77

VOLUME /1

Iner&re'i#n: IX(-(-

Subject: QW-403, /ase 8etal 7e1uirement; QW-404, +iller 8etal 7e1uirement

)ate *ssued: ?ctober ##, !000

+ile .o: 00-#4

Question 2#: *f a WPS is ritten using t%e 58W-S (rocess alone, is Tlimited to #"#T(er

QW-403"#0 and tlimited to #"#t(er QW-404"3!=

7e(l 2#: >es"

Question 2!: *f a WPS is ritten using +CW (rocess alone, is Tlimited to !T(er QW-403"

and tlimited to !t(er QW-404"30=

7e(l 2!: >es"

Iner&re'i#n: IX(-(-*


)ate *ssued: ?ctober ##, !000

+ile .o: 00-3

/ac&ground: large majorit of fabrication, contracted b a design Com(an , is (erformed

b 8anufacturers / and C" @ac% com(an is inde(endent in oners%i( from t%e ot%er to"

Com(anies , / and C %a


34/77

7e(l: .o"

Iner&re'i#n: IX(-(-%

Subject: QW-#4, Kisual @aminations)ate *ssued: Hanuar 3, !00#

+ile .o: 00-#

Question: *s a elderFs (erformance 1ualification test cou(on, in %ic% undercut is (resent,

acce(table, (roes" Ioe


35/77

Question: *s it t%e intent of Section *9 t%at a PQ7 de


36/77

(rocess it% gas bac&ing using +-.o" 6 filler material, (ro


37/77

Question 2G: W%en using SWPSs under rticle K of Section *9, ma a single (rocess SWPS for

@G0# and a single (rocess SWPS for @60#0 be used to com(lete a eld, assuming all ot%er

es"

Question 2!: +or t%e # @dition onl, is it necessar to re


38/77

VOLUME +-

Iner&re'i#n: IX(-(/

Subject: QW-00, $%e se of SWPSs)ate *ssued: Se(tember !, !00#

+ile .o: 0#-33!

Question: 8a a manufacturer or contractor ado(t and use SWPSs in accordance it% t%e rules

of rticle K for or& on Code items built to an edition or addenda (rior to t%e # edition it%

t%e !000 ddenda, (roes"

Iner&re'i#n: IX(-(+

Subject: QW-300"!, @m(loerFs 7es(onsibilit

)ate *ssued: Se(tember #, !00#

+ile .o: 0#-64#

/ac&ground: Section *9 re1uires t%at t%e manufacturer, contractor, assembler, or installer Dbe

res(onsible for conducting tests to 1ualif t%e (erformance of elders %ic% %is organiNation

em(los in construction of eldments built in accordance it% t%e Code"E *t also re1uires t%att%e manufacturer, contractor, assembler, or installer (ro


39/77

Question 2#: 8ust t%e .i-Cr-+e allo stri( filler metal used for t%e SW (rocess meet t%e

c%emical com(osition re1uirements of Code Case !#4!-# to be classified as +-43 for (rocedure

and (erformance 1ualifications=

7e(l 2#: >es"

Question 2!: 8a .i-Cr-+e allo filler metal t%at is not designated as +-43 (er Code Case !#4!-# be used for elding if t%e elding (rocedure is 1ualified se(aratel (er QW-404"3G=

7e(l 2!: >es"

Question 23: *f t%e .i-Cr-+e allo stri( filler metal meets t%e c%emical com(osition

re1uirements of Code Case !#43-# and as (roduced to t%e re1uirements of S+-"#4, ece(t for

t%e c%emical analsis, ma t%e filler metal be classified as +-43 for (rocedure and (erformance

1ualification=

7e(l 23: .o"

Question 24: *f t%e .i-Cr-+e allo stri( filler metal is not classified in an S+ s(ecification, andis not coes"

Iner&re'i#n: IX(-(0

Subject: QW-!0!"!2b, QW-!0!"32b and QW-40G"4

)ate *ssued: )ecember #, !00#

+ile .o: 0#-6#

/ac&ground: groo


40/77

7e(l: >es"

Iner&re'i#n: IX(-()

Subject: QW-!0!"42b, )issimilar /ase 8etal $%ic&ness

)ate *ssued: )ecember #, !00#+ile .o: 0#-##

Question: )oes QW-!0!"42b (ermit t%e maimum eld de(osit t%ic&ness limit to be etended

beond t%e limit s(ecified in QW-4#"#=

7e(l: .o" QW-!0!"4 a((lies onl to t%e base metal t%ic&ness limits"

Iner&re'i#n: IX(-(*-

Subject: QW-#00"3 and QW-4!0"#, P-.umber 7eassignment

)ate *ssued: )ecember #, !00#

+ile .o: 0#-#3

Question 2#: 8a a (rocedure 1ualification record subject to


41/77

7e(l 2!: .o"

Question 23: )o elders maintain t%eir 1ualifications for semiautomatic 58W and +CW b

elding it% eit%er 58W or +CW during t%e si-mont% (eriod=

7e(l 23: >es"

/ac&ground 24X: WPS as 1ualified using a $rade .ame ire-flu combination t%at

conforms to a classification in S8@ Section **, Part C"

Question 24: )oes t%e substitution in t%e 1ualified WPS of a different $rade .ame ire-flu

combination t%at conforms to t%e same S+ S(ecification and classification in S8@ Section **,

Part C re1uire re1ualification=

7e(l 24: .o"

/ac&ground 2X: $%e tensile s(ecimens of a 60 mm PQ7 test (late as dies"

Iner&re'i#n: IX(-(*%

Subject: QW-!0!"4, )issimilar /ase 8etal $%ic&nesses

)ate *ssued: 8arc% ##, !00!

+ile .o: 0#-G

Question: WPS is 1ualified to eld base material from #"6 mm to !0 mm" 8a t%at WPS beused for elding a (art 30 mm t%ic& t%at %as been ta(ered to # mm t%ic& to anot%er # mm (art=

7e(l: >es"

Iner&re'i#n: IX(-(*/

Subject: QW-!00"4, *m(act $est Qualification of 8ulti-(rocess Welds



42/77

+ile .o: 0#-#4

Question: elding (rocedure 1ualification is made using multi(le elding (rocesses on a

single test (late for an a((lication %ere notc%-toug%ness testing is re1uired" $%e eld cou(on

as elded it% to (asses, eac% of 5$W and +CW, and t%e remainder it% SW (rocess"*s it re1uired to ta&e multi(le sets of eld metal im(act test s(ecimens to include all elding

(rocesses, %en all elding could not be included in a single set of s(ecimens=

7e(l: >es"

Iner&re'i#n: IX(-(*+

Subject: Section **, Part C


+ile .o: 0#-#

Question: )oes Section **, Part C mandate t%e use of S+-"0#=

7e(l: .o"

Iner&re'i#n: IX(-(*

Subject: QW-#00"3, $%e se of t%e 7eferenced @dition of t%e Code)ate *ssued: 8arc% ##, !00!

+ile .o: 0#-!6

/ac&ground: designer s(ecifies a s(ecific ear of t%e S8@ Code to be com(lied it% for

t%e fabrication of a com(onent, i"e", including 6 ddenda, and t%is com(onent is installed in

!003"

Question 2#: W%at ear of Section *9 does t%e installer use for 1ualifing eldersBeldingo(erators=

7e(l 2#: Welders are 1ualified in accordance it% t%e current edition and addenda of

Section *9 in effect at t%e time of t%e 1ualification" See QW-#00"3"

Question 2!: W%at ear of Section ** does t%e installer use for (urc%asing elding materials=

7e(l 2!: Section *9 does not address t%is issue" $%e 1uestion s%ould be addressed to t%e

a((licable construction code"

Iner&re'i#n: IX(-(*0Subject: QW-4!"#, .ominal Cou(on $%ic&ness


+ile .o: 0!-###

Question: elder elds a .PS 6 Sc%edule 0 test cou(on t%at is 0"43! in" t%ic&" Ie uses one

elding (rocess, one set of essential


43/77

7e(l: .o" $%e nominal cou(on t%ic&ness must be at least M in" t%ic& in order for a elder to be

1ualified for Dmaimum to be eldedE"

VOLUME +*

Iner&re'i#n: IX(-(*1Subject: QW-40"4, @lectrical C%aracteristics

)ate *ssued: 8a !!, !00!

+ile .o: 0!-!6#

Question: )oes QW-40"4 a((l to t%e current t(e used to (re%eat t%e filler metal ire %en

elding 5$W Iot-Wire utomatic or mac%ine corrosion-resistant o


44/77

7e(l: .o"

Iner&re'i#n: IX(-(%Subject: QW-4!3, lternate /ase 8aterials for Welder Qualification

)ate *ssued: )ecember 30, !00!

+ile .o: 0!-!64

Question 2#: 8a a elder %o %as 1ualified on a P-.umber base metal it%in t%e left

column of QW-4!3, eld an combination of P-.umber base metals in t%e corres(onding ro

of t%e rig%t column, it%in t%e limits of t%e ot%er essential es"

Question 2!: 8a a elder %o %as 1ualified on a P-.umber base metal it%in t%e left

column of QW-4!3, eld one of t%e P-.umber base metals in t%e corres(onding ro of t%erig%t column to an ot%er 2dissimilar P-.umber in t%e corres(onding ro of t%e rig%t column,

it%in t%e limits of t%e ot%er essential es"

Question 23: 8a a elder %o %as 1ualified on a P-.umber base metal it%in t%e left

column of QW-4!3 elded to an unassigned base metal, eld an combination of P-.umber

base metals in t%e corres(onding ro of t%e rig%t column to t%e unassigned metal, it%in t%e

limits of t%e ot%er essential es"

Iner&re'i#n: IX(-(%*

Subject: QW-!00"42b, 7oot Pass Procedure Qualification

)ate *ssued: )ecember 30, !00!

+ile .o: 0!-344

Question: )o t%e (ro


45/77

/ac&ground: *n all cases described belo, t%e manufacturers dees"

Question 2!: 8anufacturer C elds a grooes"

Question 23: 8anufacturer recei


46/77

VOLUME +%

Iner&re'i#n: IX(-(%/

Subject: Q/-!03"#, 'imits of Qualified +lo Positions for Procedures, and Q/-40"4,

Hoint )esign; Q/-303"3, 'imits of Qualified Positions, and Q/-40"#, Hoint)esign

)ate *ssued: 8arc% #3, !003+ile .o: 0!-34#

/ac&ground 2#: Q/-!03"# states: DQualification in (i(e s%all 1ualif for (late, but not


47/77

)ate *ssued: 8arc% #3, !003

+ile .o: 0!-4#

/ac&ground: +or elderFs (erformance 1ualification, a multi(le laer groo


48/77

Iner&re'i#n: IX(-(/-

Subject: QW-!0#BQW-!0#"#, 8anufacturerFs or ContractorFs 7es(onsibilit

)ate *ssued: 8a #, !003+ile .o: 03-G40

/ac&ground: Sees, t%is is (ermitted b QW-!0#"

VOLUME +/

Iner&re'i#n: IX(-/(-

Subject: QW-##"3, $ension $est $urned S(ecimen)ate *ssued: Se(tember #, !003

+ile .o: 0!-36

/ac&ground: S8@ Section *9, Paragra(% QW-##"32b states, Y +or t%ic&nesses o


49/77

+ile .o: 03-#0!

/ac&ground: $%e elctroslag elding (rocess is used to a((l a corrosion-resistant o


50/77

Question 2!: 8a t%ese t%ree PQ7s be combined to su((ort elding base metal t%ic&nesses

of 4" t%roug% G mm it% or it%out notc% toug%ness=

7e(l 2!: >es"

N#e:$%is inter(retation originall a((eared in Kolume 4" $%e DWPE in Question 2# %as

been corrected b @rrata to read DWPSE"

Iner&re'i#n: IX(-/(-+

Subject: QW-!00"!2f and QW-4#

)ate *ssued: )ecember 30, !003

+ile .o: 03-#3

Question: $o se(arate PQ7s it% identical elding (rocess eist for a 6 mm and an mm

base metal t%ic&ness" 8a t%ese PQ7s su((ort a WPS, it% all t%e essential and

su((lementar essential


51/77


52/77

Subject: QW-4#"#, Procedure Qualification $%ic&ness 'imits and $est S(ecimens and

QW-!0!"4, )issimilar /ase 8etal $%ic&nesses

)ate *ssued: )ecember !!, !004

+ile .o: 04-

/ac&ground: (rocedure 1ualification test cou(on using t%e same P-.umber material and

consisting of to (lates of different t%ic&nesses are elded toget%er, %ere t%e t%ic&er of t%eto (lates 2$!T #-#B!E t%ic& %as been ta(ered on a 4:# ta(er don to t%e t%inner (late

t%ic&ness 2$#T #E t%ic&"

Question 2#: )oes t%is test cou(on 1ualif t%e WPS for a base metal t%ic&ness range of 3B#6E

to E=

7e(l 2#: See *nter(retation *9-6-43, Question 2!"

/ac&ground: (rocedure 1ualification test cou(on using t%e same or different P-.umber

materials and consisting of to (lates of different t%ic&nesses, $!T #-#B!E t%ic& and $#T #E

t%ic& elded it% a single (rocess" $%e t%ic&nesses meet on t%e same (lane it% neit%er (late

being ta(ered" $%e joint is elded in accordance it% t%e s&etc% belo"

Question 2!: )oes t%is test cou(on 1ualif t%e WPS for bot% base metals for a t%ic&ness

range of 3B#6E to E on bot% sides of t%e eld joint=

7e(l 2!: >es"

Question 23: )oes t%is test cou(on 1ualif t%e WPS for bot% base metals of different P

.umbers for a t%ic&ness range of 3B#6E to E=

7e(l 23: .o" QW-!0!"4 re1uires bot% base metal t%ic&nesses be in accordance it% QW-

4#"#" /ase metal $# is 1ualified 3B#6E to !E and base metal $! is 1ualified 3B#6E to E,

ece(t as (ermitted b QW-!0!"42b2#"

Iner&re'i#n: IX(-/(*

Subject: QW-40"#, @lectrical C%aracteristics, Ieat *n(ut)ate *ssued: )ecember !!, !004

+ile .o: 04-#0#3

Question 2#: )oes QW-40"# re1uire t%at t%e %ig%est %eat in(ut, to be recorded on t%e PQ7, be

calculated on t%e (arameters used at t%e location %ere t%e IJ im(act s(ecimens are remo


53/77

Question 2!: 5$W is a non-consumable electrode elding (rocess t%at ould record Nero

for t%e D(er unit lengt% of electrodeE in QW-40"#2b" $%erefore, can t%e eld


54/77

re1uirements met, su((ort a WPS it% su((lementar essential


55/77

Iner&re'i#n: IX(-/(1

Subject: QW-!00"42b, Combination Procedure Qualification 7ecords

)ate *ssued: 8arc% , !00

+ile .o: 0-!

/ac&ground: combination 5$W and S8W WPS is su((orted b to PQ7s" PQ7 iselded it% S8W to join 3 mm 2#-M in" t%ic& (lates it% 3 mm 2#-M in" of S8W

de(osit" PQ7 / is elded it% 5$W and S8W to join #3 mm 2M in" t%ic& (lates, it% 3 mm

2#B in" of 5$W de(osit, and #0 mm 23B in" of S8W de(osited"

Question 2#: )o PQ7s and / 1ualif t%e combination WPS for a base metal t%ic&ness range

of mm 23B#6 in" to !00 mm 2 in" %en im(act testing is not re1uired=

7e(l 2#: >es"

Question 2!: )o PQ7s and / 1ualif t%e combination WPS for a maimum de(osited eld

metal t%ic&ness of 6 mm 2[ in" for t%e 5$W (rocess and !00 mm 2 in" for t%e S8W

(rocess=

7e(l 2!: >es"

Question 23: W%en im(act tests are (erformed for bot% PQ7s it% acce(table results, doPQ7s and / 1ualif t%e combination WPS for a base metal t%ic&ness range of #3 mm 2M in" to

!00 mm 2 in" %en im(act testing is re1uired=

7e(l 23: >es"

Iner&re'i#n: IX(-/()

Subject: QW-404"36, +iller 8etals, $esting of 7ecrus%ed Slag)ate *ssued: 8arc% , !00

+ile .o: 0-!6

Question: )oes QW-404"36 re1uire t%at eac% batc% or blend of recrus%ed slag, as defined in

S+-"#G, be tested in accordance it% Section **, Part C regardless of t%e source of slag=

7e(l: >es"

Iner&re'i#n: IX(-/(*-

Subject: QW-40G"#, Welding Procedure S(ecification, Posteld Ieat $reatment

)ate *ssued: 8arc% , !00+ile .o: 0-!3

Question: WPS for joining P-.o"4 to P-.o"4 s(ecifies t%at t%e PWI$ be (erformed at

##! deg" + AB- ! deg" +, %ic% is belo t%e loer transformation tem(erature for t%e material"

8a t%is WPS be rees"


56/77

Iner&re'i#n: IX(-/(*

Subject: QW-#4 and QW-3!!"#, Production Welds, 7e


57/77

Question: 8a t%e test cou(on described abo


58/77

Subject: QW-!0#, 8anufacturerFs or ContractorFs 7es(onsibilit 2!004 @dition

)ate *ssued: +ebruar !!, !006

+ile .o: 0-##6

/ac&ground: $o inde(endent com(anies and / form a 'imited 'iabilit Partners%i( 2''Pto

(erform or& re1uiring S8@ Section * Code Stam(" $%e ''P %as obtained es"

Iner&re'i#n: IX(-/(*0

Subject: nits of 8easurement

)ate *ssued: +ebruar !!, !006+ile .o: 0-#!#

Question 2#: *s it acce(table to maintain elder (erformance 1ualification records in S* units,

it% a cones" Code Case !!3 (ro


59/77

does t%e same (rocedure 1ualification also 1ualif for all (ositions=

7e(l 2!: .o"

Iner&re'i#n: IX(-/(*)

Subject: QW-40G"#2b, Posteld Ieat $reatment)ate *ssued: Hune !#, !006

+ile .o: 06-46!

Question: )oes QW-40G"#2b2! address t%e tem(erature ranges for stress reliees"


60/77

Iner&re'i#n: IX(-0(-*

Subject: QW-!0#, 8anufacturerFs or ContractorFs 7es(onsibilit 2!004 @dition

)ate *ssued: ugust #G, !00G

+ile .o: 06-#!

/ac&ground: $%ree construction com(anies %aes"

Question 2!: )oes QW-404"!3 re1uire t%e ords Dsolid ireE, Dbare ireE or Dflu coredE be

s(ecified in addition to t%e WS filler metal classification in t%e WPS and su((orting PQ7=

7e(l 2!: .o"

Iner&re'i#n: IX(-0(-+

Subject: QW-#00"3 and QW-4!0"#, C%ange of P-.o" as an @ssential Kariable it%

7es(ect to 7eassignment of P-.o" into P-.o" , /, and C 2!004 @dition

)ate *ssued: Se(tember ##, !00G

+ile .o: 04-600


61/77

/ac&ground: elding (rocedure as 1ualified in #G 2it%out im(act testing for joining P-

.o" materials, using S-!#3-$ in t%e PQ7 test cou(on" P-.o" %as since been deleted, and

Cr8o materials %a


62/77

Welder Performance Qualification it%in QW-36"

n indies" ll c%anges to a PQ7 re1uire recertification 2including date b t%e

manufacturer or contractor (er QW-!00"!2c"

Iner&re'i#n: IX(-0(-)


63/77

Subject: QW-40#"3 and QW-403"6, $%ic&ness 7ange Qualified for *m(act $esting 2!00G

@dition

)ate *ssued: 8a #, !00

+ile .o: 0-G6

/ac&ground: elding (rocedure 1ualification as (erformed on a # in" 2! mm t%ic& test

cou(on" $ension and bend tests ere (erformed on t%e # in" 2! mm (late" second elding(rocedure 1ualification as (erformed on a 0"!4 in" 26 mm (late and onl im(act testing as

(erformed" ll of t%e essential and su((lementar essential es"

Iner&re'i#n: IX(-0(-

Subject: QW-!0#"#

)ate *ssued: Se(tember #, !00+ile .o: 0-#00!

Question: )oes QW-!0#"# allo maintaining effecties"

Iner&re'i#n: IX(-0(

Subject: QW-30#"!, Qualification $ests

)ate *ssued: .o


64/77


65/77

Iner&re'i#n: IX(-(-*

Subject: QW-300"!2b

)ate *ssued: ugust #, !00

+ile .o: 0-G4G

Question: *s t%e manufacturer or contractor re1uired to (ro


66/77

7e(l 23: .o"

Question 4: 8a a su((orting PQ7 be amended to s%o t%e ne P-number assignment=

7e(l 24: >es"

Question 2: 8a a su((orting PQ7 be amended to s%o bot% t%e old and t%e ne P-number

assignments=

7e(l 2: >es"

/ac&ground: later @ditionBddenda of Section *9 assigns a +-number different from t%at

assigned b t%e @ditionBddenda of Section *9 t%at as in effect at t%e time of 1ualification"

Question 26: *s it re1uired t%at t%e WPS or PQ7 be amended to reflect t%e ne filler metal +-

.o" assignment=

7e(l 26: .o"

Question 2G: 8a t%e WPS or PQ7 be amended to reflect t%e ne filler metal +-.o"

assignment=

7e(l 2G: >es"

Iner&re'i#n: IX(-(-+

Subject: QW-4!" \ QW-##"!"#

)ate *ssued: )ecember !, !00

+ile .o: 0-#6

/ac&ground: fillet eld (erformance 1ualification test is (erformed using a (roduction

assembl moc&u("

Question: 8ust a elder or a elding o(erator using a (roduction moc&u( assembl be 1ualified

for a c%ange in fillet siNe, base material t%ic&ness, or configuration of t%e moc&u(=

7e(l: >es"

Iner&re'i#n: IX(-(-

Subject: QW-4!"

)ate *ssued: )ecember ##, !00+ile .o: 0-!#0

Question: *s it t%e intent of QW-4!" to (ermit elder or elding o(erator fillet eld

(erformance 1ualification testing to be conducted using test cou(on t%ic&nesses greater t%an 3BE

t%ic&=

7e(l: >es"


67/77


68/77


69/77


70/77

Question: 8a a WPS be used to (erform a eld re(air (er QW-!0!"3 on a groo


71/77

filler metal using 5$W, %ose 1ualified ranges of essential s(ecial (rocess es" See QW-!#G and QW-!#"4"

Question 2!: W%en com(leting t%e clad (ortion of a eld using t%e 5$W (rocess, is a WPS

1ualified to de(osit corrosion resistant eld metal using allo 6! 2.S .066! filler metal,

also 1ualified for de(ositing a corrosion resistant eld metal o


72/77

VOLUME *

Iner&re'i#n: IX(-(*

Subject: QW-40! and QW-404 $%roug% QW-4#0)ate *ssued: 8arc% ##, !0##

+ile .o: #0-46

Question: W%en im(acts are aies"

Question 2!: sing @G0#, is t%e elder 1ualified to de(osit 0"664 in" maimum of eld metal=

7e(l 2!: >es"

Question 23: *s t%e elder 1ualified to de(osit 0"64 in" of eld metal using @60#0 (lus 0"664 in"

of @G0# eld metal de(osit t%ic&ness for a total of #"! in" in t%e same groo


73/77

)ate *ssued: 8arc% #4, !0##

+ile .o: ##-!#6

/ac&ground: elder as tested on an S-#6 5r" G0 (late, using t%e 58W (rocess" S%ort

arc mode as used for de(ositing t%e root, and s(ra arc mode as used for de(ositing t%ebalance of t%e eld in a single cou(on"

Question: *s it (ermissible, according to S8@ Section *9, QW-40"!, to use to modes of

metal transfer in a single test cou(on=

7e(l: >es; t%e de(osit t%ic&ness for eac% transfer mode s%all be recorded as re1uired b QW-

306"

Iner&re'i#n: IX(-(*+


)ate *ssued: 8a !3, !0##

+ile .o: ##-44

Question: 8a an organiNation it% more t%an one S8@ Certificate of ut%oriNation, under

different names and in different locations, describe in its 1ualit assurance (rograms t%e

o(erational control of (rocedure 1ualifications and t%e use of elding (rocedures (ro(erl

1ualified under one certificate %older, under anot%er certificate %older it%in t%e organiNation, butit%out se(arate 1ualification, as (ermitted b Section *9, QW-!0#=

7e(l: >es"

Iner&re'i#n: IX(-(*

Subject: QW-304, Kolumetric @amination

)ate *ssued: Hune #3, !0##+ile .o: 0-G44

Question: )oes Section *9 re1uire a elder to 1ualif for small diameter butt elds b (re(aring

more t%an one small diameter (i(e cou(on to (ro


74/77

Iner&re'i#n: IX(-(*1

Subject: Section *9, QW-!0

)ate *ssued: ugust #, !0##

+ile .o: 0-

Question 2#: *s it t%e intent of t%e Code t%at Kariables QW-403"6, QW-406"3, QW-40"#,QW-4#0" and QW-4#0"#0 a((l %en s(ecified in QW-!0 for P-.o" #0I materials=

7e(l 2#: .o"

Question 2!: *s it t%e intent of t%e Code t%at Kariable QW-40G"4 a((l %en s(ecified in

QW-!0 for P-.o" #0I materials=

7e(l 2!: >es"

Iner&re'i#n: IX(-(*)

Subject: Section *9, QW-300"3 - Simultaneous Performance Qualifications)ate *ssued: ugust #, !0##

+ile .o: #0-33

Question: *s it t%e intent of Section *9, (aragra(% QW-300"3 to (ermit an WS StandardWelding Procedure S(ecification ado(ted b a contractor to be used in lieu of a PQ7 to su((ort

t%e range of es

Iner&re'i#n: IX(-(%-Subject: Section *9, QW-4!0 - S$8 8aterialsZ P-.o" ssignment

)ate *ssued: ugust #, !0##

+ile .o: #0-##

Question: *s it t%e intent t%at material (roduced under an S$8 s(ecification s%all be considered

to %aes"

Iner&re'i#n: IX(-(%

Subject: Section *9, QW-404" - -.umber

)ate *ssued: ugust !, !0##

+ile .o: ##-#


75/77

/ac&ground: (rocedure 1ualification test cou(on as (re(ared and tested, %ic% included a

c%emical analsis of t%e eld metal" $%e c%emical analsis results ere as follos, C: 0"0,

Cr: 0"044, 8o: 0"#4, .i: #"4, 8n: #"4, Si: 0"#

Question 2#: )oes t%is c%emistr meet an -# Classification=

7e(l 2#: .o"

Question 2!: )oes t%is c%emistr meet an -#0 Classification=

7e(l 2!: >es"

Iner&re'i#n: IX(-(%*

Subject: Section *9, QW-#! - +racture $ests

)ate *ssued: ugust !, !0##

+ile .o: ##-3

Question 2#: *s it re1uired b QW-#! t%at t%e sum of all rounded indications 2regardless ofdiameter be considered in addition to t%e sum of t%e lengt%s of inclusions in determining t%e 3BE

in" 2#0 mm maimum alloed for acce(tance=

7e(l 2#: >es"

Question 2!: *s it (ermissible to a((l t%e (orosit siNe limitation of #B3!E or greater as s(ecified

in QW-##"#"!"! 2b23 to a ME in" 2#! mm elded cou(on to t%e fracture test acce(tance criteria

of QW-#!=

7e(l 2!: .o"

Iner&re'i#n: IX(-(%%

Subject: Section *9, QW-404", -.o" @ssential Kariable for 58W Weld 8etal

)ate *ssued: .o


76/77

Question 23: re t%e 58W rules in QW-404" for establis%ing -.umbers also a((licable to

+CW=

7e(l 23: >es"

Iner&re'i#n: IX(-(%/Subject: Section *9, QW-!00"42b

)ate *ssued: )ecember , !0##

+ile .o: #0-#66

/ac&ground: PQ7 is elded it% S8W to join B in" 2#6 mm t%ic& (lates it% B in" 2#6

mm of S8W de(osit" PQ7 / is elded it% 5$W and S8W to join B#6 in" 2 mm t%ic&

(lates it% #B in" 23 mm of 5$W and 3B#6 in" 2 mm of S8W de(osit" PQ7 C is elded

it% 5$W to join 3B#6 in" 2 mm t%ic& (lates it% 3B#6 in" 2 mm of 5$W de(osit"

Question 2#: )o PQ7s and / 1ualif t%e combination WPS for a base metal t%ic&ness range of

#B#6 in" 2#" mm to #[ in" 23! mm %en im(act testing is not re1uired=

7e(l 2#: .o"

Question 2!: )o PQ7s and / 1ualif t%e combination WPS for a base metal t%ic&ness range

of #B#6 in" 2 mm to #M 23 mm %en im(act testing in not re1uired=

7e(l 2!: .o"

Question 23: )o PQ7s and / 1ualif t%e combination WPS for a maimum de(osit eld

metal t%ic&ness range of #B4 in" 26 mm for t%e 5$W (rocess and #[ in" 23! mm for t%e

S8W (rocess=

7e(l 23: .o"

Question 24: )o PQ7s and C 1ualif t%e combination WPS for a maimum de(osit eld

metal t%ic&ness range of 3B in" 2#0 mm for t%e 5$W (rocess and #[ in" 23! mm for t%e

S8W (rocess=

7e(l 24: .o"

Question 2: )o PQ7s and C 1ualif t%e combination WPS for a base metal t%ic&ness range

of #B#6 in" 2#" mm to #[ in" 23! mm %en im(act testing is not re1uired=

7e(l 2: .o"

Question 26: )o PQ7s and C 1ualif t%e combination WPS for a base metal t%ic&ness range

of #B#6 in" 2#" mm to #M in" 23 mm %en im(act testing is not re1uired=

7e(l 26: .o"

Question 2G: )o t%e (ro


77/77

Iner&re'i#n: IX(-(%+

Subject: Section *9, QW-4!"#2b

)ate *ssued: )ecember , !0##+ile .o: ##-!030

Question: 7egarding QW-4!"#2b for (erformance 1ualification, is D8a to be WeldedE

e1uies"

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131918723 ASME IX Explanations

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