006 Interpretations Volume 39
006 Interpretations Volume 39
006 Interpretations Volume 39
SECTION IX
INTERPRETATIONS
Volume 39
The Interpretations to the Code will beissued twicea year upto the publicationofthe1998
Edition of the Code: each July (designated 7/95, 7/96, and 7/97) and with each Addenda (designated
A95,A96, and A97).The Interpretations for each individual Sectionare published separately and
are part of the update service to that Section; Interpretations of Section Ill, Divisions 1 and 2, are
part of the update service to Section 111, Subsection NCA. Interpretations are not part of the Code
or the Addenda.
Interpretations Volumes 30 through 35 were included with the update service to the 1992 Edition
of the Code; Volume 36 is the first Interpretations volume to be included with the update service
to the 1995 Edition.
Section
VOl. 36 Vol. Vol. 37 38 VOl. 39 Vol. 40 Vol. 41
I 7/95 A95 7/96 A96
11-A 7/95 ... 7/96 ...
11-B 7/95 ... ... ...
11-c ... ... ... ...
11-D ... ... ... ...
Ill-NCA 7/95 A95 7/96 A96
IV 7/95 A95 7/96 A96
V ... A95 7/96 ...
VI ... ... ... ...
VI1 ... ... ... ...
VIII-I 7/95 A95 7/96 A96
Vlll-2 7/95 A95 7/96 A96
IX 7/95 A95 7/96 A96
X 7/95 ... 7/96 A96
XI 7/95 A95 7/96 A96
FOREWORD
General Information
This publication includes all written interpretations issued between the indicated dates by the ASME
Staff on behalf of the ASME Boiler and Pressure Vessel Committee in response to inquiries concerning
interpretations of the ASME Boiler and Pressure Vessel Code. A contents is also included which lists
subjectsspecifictotheinterpretationscoveredintheindividualvolume. These interpretations are
not a part of the Addenda or the Code.
Theseinterpretationsaretakenverbatimfromtheoriginalletters,exceptforafewtypographical
and editorial corrections made for the purpose of improved clarity. In some instances, a review of the
interpretation revealed a need for correctionsof a technical nature. In these cases, a revised interpretation
is presented bearing the original Interpretation Number with the suffix R and the original file number
with an asterisk.Followingtheserevisedinterpretations,newinterpretationsandrevisions to them
issued duringthe indicated datesare assigned Interpretation Numbers in chronological order. Interpretations
applying to morethanoneCodeSectionappearwiththeinterpretationsforeachaffectedSection.
ASME procedures provide for reconsideration of these interpretations when or if additional information
is availablewhichtheinquirerbelievesmightaffecttheinterpretation.Further,personsaggrievedby
an interpretationmayappealtothecognizantASMEcommitteeorsubcommittee.Asstatedinthe
Statement of Policy in the Code documents, ASME does not “approve,” “certify,” “rate,” or “endorse”
anyitem,construction,proprietarydevice, or activity.
An interpretation applies either to the Edition and Addenda in effect on the date of issuance of the
interpretation or the Edition and Addenda stated in the interpretation. Subsequent revisions to the Code
may supersedetheinterpretation.
Fordetailedinstructions on preparation of technicalinquiriestotheASMEBoilerandPressure
VesselCommittee,refertoAppendix A.
355
357
Interpretation: IX-95-24
Subject:
Section
QW-403.1.
IX, Base
Metals
Date
Issued:
March
19,
1996
BC95-194 File:
Reply:Yes.
Interpretation: IX-95-25
Subject:
Section
IX,
QW-201,
Manufacturer’s or Contractor’s
Responsibility
Date
Issued:
March 19, 1996
BC95-252 File:
Reply:Yes.
Interpretation: IX-95-26
Subject:
Section IX, QW-201,
Manufacturer’s or Contractor’s
Responsibility
Date
Issued:
March
19,
1996
BC95-303 File:
Background:CompanyAownscompanyBandchangesitsnametoC.ThenewcompanyC
continuestousetheWPSsand PQRs initiallydeveloped by B. AftersometimecompanyA(the
parentcompany)splitsCbackto B andC.BothBandCnowoperateindependentlybutunder
companyA.
Question: May company B use the WPSs and PQRs initially developed by B and also use WPSs
and FQRs qualifiedbycompanyCbeforethelastreorganization?
Reply:Yes,providedthattherequirements ofQW-201aresatisfied.
359
Interpretation: IX-95-27
Subject:
Section IX,
QW-201,
Manufacturer’s
Contractor’s
or Responsibility
Date
Issued:
March
19,
1996
BC95-482 File:
Reply: No.
Interpretation: IX-95-28
Subject:
Section IX, QW-403.10, Short
Circuiting
Mode
BC96-002 File:
Question: Are the base metal thickness restrictions for the GMAW process short circuiting mode
stated in QW-403.10 and QW-404.32 also applicable to fillet weld tests, either in procedure qualifications
(QW-451.3,QW-451.4) or inperformancequalifications(QW-452.4,QW-452.5,andQW-452.6)?
Reply: No.
Interpretation: IX-95-29
Subject:
Section
IX,
QW-201,
Manufacturer’s or Contractor’s
Responsibility
Date
Issued:
May 30, 1996
BC95-302 File:
Reply:Yes.
I.
360
Interpretation: IX-95-30
Subject:
Section IX, QW-350,
Welding
Variables
for
Welders
BC96-073 File:
Question (3): Is a welding operator qualified to QW-360 and QW-381 of Section IX in submerged
arc weld overlayusingwireelectrode also qualifiedto use strip electrodes withthesame process?
Reply(3):Yes.
Interpretation: IX-95-31
Subject:
Section IX, QW-361.2,
Essential
Variables - Machine
Welding
BC96-141 File:
Reply:Yes.
36 1
Certification
. .
of the PQR . . . . . . . . . . .. . . ... . . . . . . . .. . . .. . . . . . . .. . . .. . . . . . . . .. . . IX-83-03 BC82-056 7
of the WPS . . . . . . . . . . . . . . . . . ... . . .. . . . . . . . . . . . . . . . .. . . .. . . . . . . . . . . IX-83-03 BC82-056 7
Consumable Inserts
additioddeletion .. . . .. . . .. . . . .. . . . . . . . . . . . .. . . .. . . .. . . .. . . . . . . .. . . IX-89-91 BC90-680 247
Cover Pass
remelting of ....................................................... 1x-83-89 BC83-402 55
Diameters. Pipe
performance qualification ............................................ IX-83-55 BC83-059 29
ranges listed on the WPS ............................................ IX-83-44 BC82-838 36
IX-89-82 BC90-531 243
Dust
amount in powdered filler metal ...................................... 1x-83-09 BC82-279 10
F-Numbers
change in ........................................................ IX-83-10 BC82-299 10
1X-89-28 BC89-174 203
classification ...................................................... IX-89-46 BC89-369 216
lX-92-99 BC93-762 327
BC93-769 327
...................................
classification of martensitic materials IX-83-24 BC82-588 16
use of electrodes to conform F-No .................................... 1X-89-29 BC89-176 204
Flux
actiwdneutral ..................................................... 1x46-16 BC85-533 124
lnterpass Temperatures
listing of on the Wf5 ............................................... IX-83-41 BC82-796 28
IX-83-161 BC84-618 101
qualification of .................................................... 1x43341 BC82-796 28
IX-83-129 BC84-251 84
Machine Welding
definition of....................................................... IX-92-43 BC92-100 291
Multiprocess Welds
qualified thickness range for performance qualification .................... IX-83-14 BC83-302 12
IX-89-35 BC89-307
......................
qualified thickness range for procedure qualification 1x4343 BC83-394
211
53
.......................
required test specimens for procedure qualification 1x43341 BC8l-702 5
root pass without backing ............................................ IX-89-01 BC88-042
with notch-toughness requirements .................................... IX-83-33 BC82-617
181
19
Operational Control
change in company name . . . . . . . . . . . , . , . . . .. . . .. . . .. . . . , . . .. . . . . . . . . IX-83-25 BC81-160 16
contractor’s associations. . . , . . . . . . . . . . . . , , . .. . . . . . . . . . . . . . . . . . . .
,. ,, , IX-83-68 BC83-040 41
of welding procedures . , . . . . . . .. . . . . . . .. . . .. . . . . . . .. . . .. . . ..
,, , , .., . 1X-83-03 BC82-056 7
IX-83-151 BC84-620 96
IX-86-64 BC86-395 154
organizations not involved in Code applications.. . . . . . . . . . . . . . . . . . . . . . . .. IX-83-39 BC82-792 26
Performance Qualification
A-number substitution . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . . .. , . .. . . . . , . . . . 1x4644 BC87-491 174
IX-89-29 BC89-176 204
IX-92-18 BC91-389 297
alternate base materials for welder qualification. . . . . . . . . . . . . , . . . .. . . . ,, . . IX-92-18 BC91-389 297
IX-92-65 BC93-148 305
.. .. .. . .
applied lining or cladplate. . . . . . . . . . , . . . . . . . . . . . . . . . , , , . . . . .. IX-89-101 BC91-085 252
. .. .. .
by several contractors simultaneously . . . . . . . . . . . . . . . . . , , , , , . . . . . . IX-86-25 BC86-018 128
IX-86-81 BC87-242 173
.. . . . . . . .. . . . . . . . . .
change in angle groove. . . . , . . . , . . . . . . . . . . . . . . . . . . IX-86-69 BC87-088 156
. . .. . .. . . .
change in vertical welding.. . . . . . . . . . . . . , , , . . . . . . . . . . . . . . . . IX-92-01 BC90-501 285
combination of welding processes. . . . . . . . .. . . .. . . . . . , . . . . . . . . .. . . .. . . . IX-92-01 BC90-501 285
IX-92-26 BC91-470 273
.. . . . . . .. . . .. . . . .
consumable inserts. . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . IX-83-06 BC82-245 9
IX-83-22 BC82-516 15
corrosion-resistant weld metal overlay. . .. . . . . . ..
. . . . . . .. . . . . . . . . . . . . . . . IV-86-32 BC86-222 138
IX-86-58 BC86-457 152
1X-86-66 BC87-036 155
IX-89-79 BC90-531 237
IX-89-71 BC90-039 233
IX-92-72 BC93-392 31 2
IX-95-23 BC95-428 353
IX-95-30 BC96-073 361
diameter limitation . . . . . . . . . . .. . . .. . .
,, ,,, . . . , . . . . . . . . . . . . . . . . . . . . . . IX-89-09 BC88-397 185
IX-89-69 BC90-401 227
IX-89-98 BC91-003 251
IX-89-104 BC91-097 253
IX-89-106 BC91-120 254
IX-92-15 BC91-263 267
IX-92-41 BC92-035 284
IX-92-90 BC93-753 324
IX-95-04 BC94-296 335
..
editorial correction toWPQ.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX-92-96 BC93-755 326
effective operational control of , .. .. ... .... .
. . , . . . . . . . . . . . . . .. . . .. . . . IX-89-10 . BC88-398 186
IX-95-20 BC95-302 352
electrodes . , . . .. . . .
, , , . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . IX-95-30 BC96-073 361
fillet welds. . . ....
. .. . . . . . . . .. . . . . . . . .. . . .. . . .. . . . . . . . . . . . . . . . . . . . . IX-83-04 BC82-098 8
IX-83-103 BC83-237 65
IX-86-28 BC86-062 130
IX-92-45 BC92-238 292
fillet welds qualified by groove welds . . . . . . , . . . .. . . .. . . . . . . . . . . . . . . . . . . IX-83-16 BC82-396 13
1X-83-98 BC84-450 63
IX-86-74 BC87-134 165
IX-89-31 BC89-178 204
IX-89-87 BC90-745 245
F-Number qualification. . . . ,. . . . . . . . . . . . . . . . . . . . . . . . . . , .. ... . . . . . . . . . !X-79-52R BC79-046* 49
IX-80-52R BC80-435* 49
P-Numbers
chemical analysis/mechanical properties of ............................. 1X-86-88 BC88-041 176
classificationof .................................................... 1X-83-156 BC84-697 98
IX-92-06 BC91-257 265
lX-95-05 BC94-365 336
welding of non-pressure retaining attachments ........................... IX-69-05 BC88-168 183
Positions. Brazing
qualification of flow positions......................................... 1x-86-02 BC85-292 113
Positions. Welding
fillet welds in vertical-up progression................................... IX-83-82 BC83-303 52
listing on the WPS ................................................. IX-83-44 BC82-830 29
qualification of 2 c position .......................................... IX-83-75 BC83-149 44
recording welder qualification for ..................................... IX-83-53 BC83-002 35
vertical-upprogression .............................................. IX-83-50 BC82-872 33
IX-86-86 BC87-494 175
Preheat Temperature
maintenance of .................................................... IX-83-82 BC83-303 52
IX-83-161 BC84-618 101
Procedure Qualification
essentialvariables .................................................. IX-89-54 BC89-367 220
1X-89-59 BC90-250 222
impact testing ..................................................... IX-89-23 BC89-096 196
limits of qualified positions for procedures .............................. IX-95-13 BC94-035 345
liquid penetrant examination ......................................... IX-92-13 BC91-278 267
IX-95-23 BC95-428 353
partial penetration groove welds ...................................... 1X-89-62 BC90-253 224
IX-95-03 BC94-235 334
Process
definition of.. ..................................................... IX-83-58 BC83-086 37
performance qualification. ........................................... IX-83-69 BC83-233 42
variables for. ...................................................... IX-86-12 BC85-482 117
Production Welds
liquid penetrant examination. ........................................ IX-92-13 BC91-278 267
Root Cap
qualification of . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . IX-83-71 BC83-230 43
use of term . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . IX-63-04 BC82-098 8
SFA Specifications
. ..
AWS classification change . . . . . . . . . .. . . . . . . . . . . . . .. . . .. . . .. . . .. . . . IX-83-147 BC84-249 95
change of designations in a classification.. . . . . . .. .. . .. .. , . . ... . .. . . .. . . . 1X-83-59 BC82-614 37
. . . . . . . .. . . . ... . . .. . . .. . . .. . . .
'
Shielding Gases
procedure qualification using. . . . ... . . . . . . .. . . . .. . . . . . . .. . . .. . . .. . . .. . IX-63-02 BC81-704 6
1X-92-62 81392-425 304
purity.. . ~.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX-95-11 BC95-002 344
SI Units
use of . . . . .. . . .. . . . . . . .. . . . .. . . . .. . . .. . . .. . . . .. ..... . .. . . . . . . .. . . 1X-83-85 BC83-003 53
!%Numbers
qualification. . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . tx-92-96 BC94-236 327
1X-95-07 BC94-522 343
Test Specimens
acceptance criteria for bend specimens.. . .. . . . . . . . , . . . . . . . . . . . . . . . . . . . . 1X-83-60 BC82-749 38
IX-83-115 BC83-279 77
1X-86-61 BC86-515 153
Variables
changes to the WPS.. . . . . . . . .. . . . . . . . . . . . .. . . . . . .. . . .. . . . . . . .. . . .. . IX-83-54 BC83-042 35
IX-89-70 BC90-430 227
flexible welding back-up tape ,, . .. . . , , . . , . . . . . . . . . .. . . . . . . . . . . .. . . . . . IX-86-80 BC87-253 167
listing on the WPS . . . . . . . . . . . . . . . . , , . . , . . . . . . . . . . . . . . . . . . . . . . .. . . . . IX-83-03 BC82-056 7
IX-86-14 BC85-483 126
IX-89-82 BC90-531 243
1x4945 BC90-671 244
ranges demonstrated on the PQR . . . . . . . . . . . .. . . .. . . . . . . .. . . .. . . . . . . .. IX-83-40 BC82-794 27
recording onthe PQR . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . .. . . . . . . .. . . .. IX-83-26 BC82-182 17