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Interpretation Detail Print to PDF Please limit your selection on the search results screen to 10 interpretations. Standard Designation: BPV Section IX Edition/Addenda:
Para./Fig./Table No: Subject Description:
Section IX, QW-461.9 and QW-452.3
Record Number:
BC86-103
Date Issued:
Interpretation Number :
06/02/1986 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 to 2-7/8 in. O.D.? Reply: No.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-214 and QW-381
Record Number:
BC87-090
Date Issued:
Interpretation Number :
05/07/1987 IX-86-71
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: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-451.1 vs QW-403.6
Record Number:
BC86-281
Date Issued:
Interpretation Number :
11/24/1986 IX-86-48
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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-322(a)
Record Number:
BC86-394
Date Issued:
Interpretation Number :
11/24/1986 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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-381
Record Number:
BC86-457
Date Issued:
Interpretation Number :
03/02/1987 IX-86-58
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-356 and QW-360
Record Number:
BC87-039
Date Issued:
Interpretation Number :
05/07/1987 IX-86-68
Question(s) and Reply(ies): Question: Does a welder performance qualification for manual GTAW in accordance with QW-304 and the essential variables of QW-356 qualify a welding operator to perform machine welding (GTAW process)? Reply: No.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-452
Record Number:
BC86-104
Date Issued:
Interpretation Number :
06/02/1986 IX-86-30
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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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-383
Record Number:
BC86-222
Date Issued:
Interpretation Number :
09/23/1986 IX-86-32
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 of a groove weld in composite (clad) materials? Reply: Yes.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-281.2(c)
Record Number:
BC86-458
Date Issued:
Interpretation Number :
03/02/1987 IX-86-59
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-191.2.2
Record Number:
BC86-517
Date Issued:
Interpretation Number :
03/02/1987 IX-86-62
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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-381
Record Number:
BC87-036
Date Issued:
Interpretation Number :
05/07/1987 IX-86-66
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-408.3 and QW-408.9
Record Number:
BC87-038
Date Issued:
Interpretation Number :
05/07/1987 IX-86-67
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-310.1
Record Number:
BC86-266
Date Issued:
Interpretation Number :
09/23/1986 IX-86-35
Question(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 QW310.1? Reply: No.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-202.4 and QW-451.1
Record Number:
BC86-280
Date Issued:
09/23/1986
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Interpretation Number :
IX-86-36
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-181.1 and QW-451.3
Record Number:
BC86-329
Date Issued:
Interpretation Number :
09/23/1986 IX-86-40
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-322
Record Number:
BC86-389
Date Issued:
Interpretation Number :
11/24/1986 IX-86-50
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-350
Record Number:
BC86-390
Date Issued:
Interpretation Number :
11/24/1986 IX-86-51
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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, Brazing Procedure Qualification
Record Number:
BC86-399
Date Issued:
Interpretation Number :
11/24/1986 IX-86-53
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-410.7
Record Number:
BC86-426
Date Issued:
Interpretation Number :
11/24/1986 IX-86-55
Question(s) and Reply(ies): Question: Can a PQR using manual GTAW, where the parameters of QW410.7 were not recorded, support a WPS for machine GTAW where notch toughness and QW-410.7 are required? Reply: No.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-202.3
Record Number:
BC86-429
Date Issued:
Interpretation Number :
11/24/1986 IX-86-56
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QB-408.2
Record Number:
BC85-531
Date Issued:
03/14/1986
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Interpretation Number :
IX-86-22
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-301 and QW-320
Record Number:
BC86-001
Date Issued:
Interpretation Number :
05/30/1986 IX-86-24
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-256 and QW-410.26
Record Number:
BC86-059
Date Issued:
Interpretation Number :
05/30/1986 IX-86-26
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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-311 (New QW-381)
Record Number:
BC86-061
Date Issued:
Interpretation Number :
05/30/1986 IX-86-27
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-300 and QW-301
Record Number:
BC86-018
Date Issued:
Interpretation Number :
05/30/1986 IX-86-25
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, Qualification Requirements for Fillet Weld Repairs
Record Number:
BC86-062
Date Issued:
Interpretation Number :
05/30/1986 IX-86-28
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-451
Record Number:
BC86-101
Date Issued:
Interpretation Number :
09/23/1986 IX-86-31
Question(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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-163 and QW-200
Record Number:
BC86-331
Date Issued:
Interpretation Number :
09/23/1986 IX-86-42
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No: Subject Description: Date Issued:
BPV Section IX Section IX, QW-410.15 09/23/1986
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Record Number:
Interpretation Number :
BC86-365 IX-86-44
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-462.1(a)
Record Number:
BC86-366
Date Issued:
Interpretation Number :
09/23/1986 IX-86-45
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-355
Record Number:
BC86-219
Date Issued:
Interpretation Number :
11/24/1986 IX-86-46
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-407.1(b)
Record Number:
BC86-223
Date Issued:
Interpretation Number :
11/24/1986 IX-86-47
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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-200.4, QW-306, and QW-407.4
Record Number:
BC85-553
Date Issued:
Interpretation Number :
03/21/1986 IX-86-23
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.
Question (6): Is it necessary to qualify this welder so that he may use the WPS in Question (2) where the WPS does not have backing in a singlewelded groove? Reply (6): Yes.
Question (7): Is it necessary to qualify this welder so that he may use the 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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-200.4
Record Number:
BC86-262
Date Issued:
Interpretation Number :
09/23/1986 IX-86-33
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 QW200.4. Reply: Yes.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-302.2
Record Number:
BC86-265
Date Issued:
Interpretation Number :
09/23/1986 IX-86-34
Question(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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-162.1 and QW-466.3
Record Number:
BC86-297
Date Issued:
Interpretation Number :
09/23/1986 IX-86-37
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 QW466? Reply (2): Yes. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QB-466.3
Record Number:
BC86-298
Date Issued:
Interpretation Number :
09/23/1986 IX-86-38
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-452, Note (2)
Record Number:
BC86-299
Date Issued:
Interpretation Number :
09/23/1986 IX-86-39
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 using a 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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No: Subject Description: Date Issued:
BPV Section IX Section IX, QW-403.18 09/23/1986
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Record Number:
Interpretation Number :
BC86-330 IX-86-41
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 QW452 and the limits of the specific WPS for the P-No. 4, P-No. 5, or P-No. 8 metals? Reply (2): Yes. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-202.4
Record Number:
BC86-337
Date Issued:
Interpretation Number :
09/23/1986 IX-86-43
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-201
Record Number:
BC86-367
Date Issued:
Interpretation Number :
11/24/1986 IX-86-49
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 on engineering 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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-402.3 and QW-402.5
Record Number:
BC86-400
Date Issued:
Interpretation Number :
11/24/1986 IX-86-54
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-404.5
Record Number:
BC86-263
Date Issued:
Interpretation Number :
03/02/1987 IX-86-57
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 a test 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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-410.9
Record Number:
BC86-514A
Date Issued:
Interpretation Number :
03/02/1987 IX-86-60
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-163
Record Number:
BC86-515
Date Issued:
Interpretation Number :
03/02/1987 IX-86-61
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 internal defects?
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Reply (2): Yes. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-410.15
Record Number:
BC86-520
Date Issued:
Interpretation Number :
03/02/1987 IX-86-63
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-300.2
Record Number:
BC86-395
Date Issued:
Interpretation Number :
05/07/1987 IX-86-64
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-404
Record Number:
BC87-031A
Date Issued:
Interpretation Number :
05/07/1987 IX-86-65
Question(s) and Reply(ies): Question (1): May a manufacturer use different brands and/or manufacturers 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 when the 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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-301
Record Number:
BC87-088
Date Issued:
Interpretation Number :
05/07/1987 IX-86-69
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 other essential variables are the same? Reply (2): Yes. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-200.2 and QW-483
Record Number:
BC87-089
Date Issued:
Interpretation Number :
05/07/1987 IX-86-70
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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-416
Record Number:
BC87-091
Date Issued:
Interpretation Number :
05/07/1987 IX-86-72
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-405.3 and QW-416
Record Number:
BC87-494
Date Issued:
Interpretation Number :
02/29/1988 IX-86-86
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-202.2 and QW-303.1
Record Number:
BC87-134
Date Issued:
09/24/1987
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Interpretation Number :
IX-86-74
Question(s) and Reply(ies): Question (1): Do groove weld procedures qualified in accordance with QW202.2 qualify all fillet weld sizes on all base metal thicknesses and all diameters if the resulting fillet or socket welds exhibit areas of meltthrough, 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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-403.5 and QW-403.11
Record Number:
BC87-136
Date Issued:
Interpretation Number :
09/24/1987 IX-86-75
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-404 and QW-407
Record Number:
BC87-137
Date Issued:
Interpretation Number :
09/24/1987 IX-86-76
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 also less than the lower transformation temperature of the base material and all other essential variables remain the same?
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Reply (2): Yes. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, Test Specimen Movement
Record Number:
BC87-138
Date Issued:
Interpretation Number :
09/24/1987 IX-86-77
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-403.5
Record Number:
BC87-139
Date Issued:
Interpretation Number :
09/24/1987 IX-86-78
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-302.2 and QW-321.2(a)
Record Number:
BC87-140
Date Issued:
Interpretation Number :
09/24/1987 IX-86-79
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No: Subject Description:
BPV Section IX Section IX, QW-402.11, Flexible Welding Back-Up Tape
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Date Issued:
12/14/1987
Interpretation Number :
IX-86-80
Record Number:
BC87-253
Question(s) and Reply(ies): Question: Is flexible welding back-up tape considered a nonmetallic retainer per Section IX, QW-402.11? Reply: Yes.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-322
Record Number:
BC87-242
Date Issued:
Interpretation Number :
02/29/1988 IX-86-81
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-322
Record Number:
BC87-252
Date Issued:
Interpretation Number :
02/29/1988 IX-86-82
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 both groove 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. Standard Designation: Edition/Addenda:
BPV Section IX
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Para./Fig./Table No: Subject Description:
Section IX, Intermittent Nondestructive Testing
Record Number:
BC87-489A
Date Issued:
Interpretation Number :
02/29/1988 IX-86-83
Question(s) and Reply(ies): Question: Is intermediate additional nondestructive examination during welding of a welding procedure qualification test assembly prohibited by Section IX? Reply: No.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-404.5
Record Number:
BC87-491
Date Issued:
Interpretation Number :
02/29/1988 IX-86-84
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-304
Record Number:
BC87-492
Date Issued:
Interpretation Number :
02/29/1988 IX-86-85
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-200.2
Record Number:
BC87-490A
Date Issued:
Interpretation Number :
06/02/1988 IX-86-87
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 completely removed 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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-422
Record Number:
BC88-041
Date Issued:
Interpretation Number :
06/02/1988 IX-86-88
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-202.4
Record Number:
BC88-089
Date Issued:
Interpretation Number :
06/02/1988 IX-86-89
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No: Subject Description:
BPV Section IX Section IX, QW-301.4
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Date Issued:
06/02/1988
Interpretation Number :
IX-86-90
Record Number:
BC88-091
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-482
Record Number:
BC88-042
Date Issued:
Interpretation Number :
10/06/1988 IX-89-01
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-351 and QW-452
Record Number:
BC88-090
Date Issued:
Interpretation Number :
10/06/1988 IX-89-02
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 the deposited 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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Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-100.1 and QW-200.1
Record Number:
BC88-166A
Date Issued:
Interpretation Number :
10/06/1988 IX-89-03
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-153.1
Record Number:
BC88-167
Date Issued:
Interpretation Number :
10/06/1988 IX-89-04
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No: Subject Description: Date Issued:
BPV Section IX Section IX, QW-424 10/06/1988
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Record Number:
Interpretation Number :
BC88-168 IX-89-05
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-452.1
Record Number:
BC88-169
Date Issued:
Interpretation Number :
10/06/1988 IX-89-06
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-403.6 and QW-451
Record Number:
BC88-171
Date Issued:
Interpretation Number :
10/06/1988 IX-89-07
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section II, Part C, Chemistry Deviations
Record Number:
BC88-172
Date Issued:
Interpretation Number :
10/06/1988 IX-89-08
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-452.3
Record Number:
BC88-397
Date Issued:
Interpretation Number :
12/14/1988 IX-89-09
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.
Standard Designation:
BPV Section IX
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Edition/Addenda:
Para./Fig./Table No: Subject Description:
Section IX, QW-300.2
Record Number:
BC88-398
Date Issued:
Interpretation Number :
12/14/1988 IX-89-10
Question(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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-250
Record Number:
BC88-399
Date Issued:
Interpretation Number :
12/14/1988 IX-89-11
Question(s) and Reply(ies): Question: If qualified SMAW procedures exist for welding P-No.1 GrNo.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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-202.3
Record Number:
BC88-401
Date Issued:
Interpretation Number :
12/14/1988 IX-89-12
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.
Standard Designation:
BPV Section IX
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Edition/Addenda:
Para./Fig./Table No: Subject Description:
Section II, Part C, SFA-5.1
Record Number:
BC88-402
Date Issued:
Interpretation Number :
12/14/1988 IX-89-13
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-403.1 and QW-422
Record Number:
BC88-403
Date Issued:
Interpretation Number :
12/14/1988 IX-89-14
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-423
Record Number:
BC88-404
Date Issued:
Interpretation Number :
12/14/1988 IX-89-15
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-408
Record Number:
BC88-405
Date Issued:
Interpretation Number :
Question(s) and Reply(ies):
12/14/1988 IX-89-16
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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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-200
Record Number:
BC88-473
Date Issued:
Interpretation Number :
02/27/1989 IX-89-17
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-451.1
Record Number:
BC88-474
Date Issued:
Interpretation Number :
02/27/1989 IX-89-18
Question(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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-409.8
Record Number:
BC88-476
Date Issued:
Interpretation Number :
02/27/1989 IX-89-19
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-403.16, QW-404.30, and QW-405.1
Record Number:
BC88-478
Date Issued:
Interpretation Number :
02/27/1989 IX-89-20
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-452.1
Record Number:
BC89-031
Date Issued:
Interpretation Number :
06/07/1989 IX-89-21
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 used during the welder qualification test? Reply (4): Yes. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-283
Record Number:
BC89-094
Date Issued:
Interpretation Number :
06/07/1989 IX-89-22
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-403.5
Record Number:
BC89-096
Date Issued:
Interpretation Number :
06/07/1989 IX-89-23
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 procedure qualification 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. Standard Designation: Edition/Addenda:
BPV Section IX
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Para./Fig./Table No: Subject Description:
Section IX, QW-404.30, and QW-405.1
Record Number:
BC89-097
Date Issued:
Interpretation Number :
06/07/1989 IX-89-24
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-151.1 and QW-462.1(a)
Record Number:
BC89-099
Date Issued:
Interpretation Number :
06/07/1989 IX-89-25
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, 1987 Addenda, QW-403.5, and QW-424
Record Number:
BC89-103
Date Issued:
Interpretation Number :
06/07/1989 IX-89-26
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.5 Gr-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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-322(a)
Record Number:
BC89-100
Date Issued:
Interpretation Number :
10/24/1989 IX-89-27
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-401.15 and QW-402.4
Record Number:
BC89-174
Date Issued:
Interpretation Number :
10/24/1989 IX-89-28
Question(s) and Reply(ies): Question (1): A welder has been qualified with the SMAW process using F-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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-216
Record Number:
BC89-176
Date Issued:
Interpretation Number :
10/24/1989 IX-89-29
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. Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-301.4
Record Number:
BC89-177
Date Issued:
Interpretation Number :
10/24/1989 IX-89-30
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-218, Applied Linings
Record Number:
BC89-178
Date Issued:
Interpretation Number :
10/24/1989 IX-89-31
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.
Standard Designation: Edition/Addenda:
Para./Fig./Table No:
BPV Section IX
Subject Description:
Section IX, QW-216.1
Record Number:
BC89-287
Date Issued:
Interpretation Number :
10/24/1989 IX-89-32
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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Copyright © 2016 by the American Society of Mechanical Engineers. No reproduction may be made of this material without written consent of ASME
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