Base MetalThicknessProcessFiller MetalConditionOrder No.
 Sheet Metal 
  Carbon Steel10 – 18 gaugeGMAW-SER70S-6As-welded, with or w/o backingB2.1-1-004: 2002 STA...
Carbon Steel10 – 18 gaugeGTAWER70S-2 or -3As-welded, with or w/o backingB2.1-1-008: 2002 STA...
Carbon Steel10 – 18 gaugeSMAWE6010 or E6013As-welded, with or w/o backingB2.1-1-012: 2002 STA...
 Galvanized Steel10 – 18 gaugeGMAW-SER70S-6As-welded, with or w/o backingB2.1-1-003: 2002 STA...
Galvanized Steel10 – 18 gaugeGTAWER70S-2 or -3As-welded, with or w/o backingB2.1-1-007: 2002 STA...
Galvanized Steel10 – 18 gaugeSMAWE6010 or E6013As-welded, with or w/o backingB2.1-1-011: 2002-AMD...
 Carbon to Stainless10 – 18 gaugeGMAW-SER309As-welded, with or w/o backingB2.1-1/8-006: 2002 S...
Carbon to Stainless10 – 18 gaugeGTAW ER309As-welded, with or w/o backingB2.1-1/8-010: 2015 (R2021)
Carbon to Stainless10 – 18 gaugeSMAWE309-15,-16 or -17As-welded, with or w/o backingB2.1-1/8-014: 2002 (...
 Stainless Steel10 – 18 gaugeGMAW-SER3XXAs-welded, with or w/o backingB2.1-8-005:2002 ERRA...
Stainless Steel10 – 18 gaugeGTAWER3XXAs-welded, with or w/o backingB2.1-8-009: 2002 (SW...
Stainless Steel10 – 18 gaugeSMAWE3XX-15,-16 or -17As-welded, with or w/o backingB2.1-8-013: 2002 (SW...
 Aluminum10 – 18 gaugeGTAWER4043 or R4043As-welded, with or w/o backingB2.1-22-015: 2011R2022 (S...
 Plate
ALL STANDARDS BELOW ARE ADOPTED BY NATIONAL BOARD INSPECTION CODE
 
  Carbon Steel3/16" – 7/8"GTAWER70S-2 or -3As-welded, with or w/o backingB2.1-1-002: 2020(R20...
Carbon Steel1/8" – 1-1/2"GTAW followed by SMAWER70S-2 & E7018As-welded or PWHTB2.1-1-021: 2018 STA..
Carbon Steel3/16" – 3/4"SMAWE7016 & E7018As-welded, with backingB2.1-1-001: 2020(R20...
Carbon Steel1/8" – 1-1/2"SMAWE7018As-welded or PWHTB2.1-1-016: 2018 STA...
Carbon Steel1/8" – 1-1/2"SMAWE6010As-welded or PWHTB2.1-1-017: 2018 STA...
Carbon Steel1/8" – 1-1/2"SMAWE6010 & E7018As-welded or PWHTB2.1-1-022: 2018 STA...
Carbon Steel1/8" – 1-1/2"SMAWE6010* & E7018As-welded or PWHTB2.1-1-026: 2018 STA...
Carbon Steel1/8" – 1-1/2"FCAW, self-shieldedE71T-8As-weldedB2.1-1-018: 2021
Carbon Steel1/8" – 1/2"FCAW, self-shieldedE71T-11As-weldedB2.1-1-027: 2018 STA...
Carbon Steel1/8" – 1-1/2"FCAW-G, CO2 gas-shieldedE70T-1 or E71T-1As-weldedB2.1-1-019: 2018-AMD...
Carbon Steel1/8" – 1-1/2"FCAW-G, CO2 gas-shieldedE70T-1 or E71T-1As-welded or PWHTB2.1-1-020: 2018-AMD...
 Stainless Steel1/16" – 1-1/2"GTAWER3XXAs-weldedB2.1-8-024: 2001 (R2012)
Stainless Steel1/8" – 1-1/2"GTAW followed by SMAWER3XX & E3XX-XXAs-weldedB2.1-8-025: 2001 (R2012)
Stainless Steel1/8" – 1-1/2"SMAWE3XX-XXAs-weldedB2.1-8-023: 2018 (SW...
 Naval Applications
SUPPORTS REQUIREMENTS OF NAVSEA S9074-AQ-GIB-010/248
 
  Carbon Steel1/8" – 1-1/2"GTAWMIL-70S-2As-welded or PWHTB2.1-1-301:2018
Carbon Steel1/8" – 1-1/2"SMAWMIL-7018-MAs-welded or PWHTB2.1-1-302:2015
Carbon Steel1/8" – 1-1/2"GTAW followed by SMAWMIL-70S-2 & MIL-7018-MAs-welded or PWHTB2.1-1-303:2020
Carbon Steel1/8" – 1-1/2"FCAW-GMIL-70T-1 or MIL-71T-1As-welded or PWHTB2.1-1-304:2018
Carbon Steel1/8" – 1-1/2"FCAW-GMIL-70T-1 or MIL-71T-2As-welded or PWHTB2.1-1-305:2018
Carbon Steel1/8" – 1-1/2"GTAW, consumable insertsMIL-MS1 Inserts & MIL-70S-2As-welded or PWHTB2.1-1-314:2018
 Stainless Steel1/8" – 1-1/2"GTAWMIL-3XXAs-weldedB2.1-8-308:2016
Stainless Steel1/8" – 1-1/2"SMAWMIL-3XX-XXAs-weldedB2.1-8-309:2018
Stainless Steel1/8" – 1-1/2"GTAW followed by SMAWMIL-3XX & MIL-3XX-XXAs-weldedB2.1-8-310:2020
 
  Carbon Steel1/8" – 1-1/2"GTAWMIL-70S-2As-welded or PWHTB2.1-1-311:2018
Carbon Steel1/8" – 1-1/2"SMAWMIL-7018-MAs-welded or PWHTB2.1-1-312:2015
Carbon Steel1/8" – 1-1/2"GTAW followed by SMAWMIL-70S-2 & MIL-7018-MAs-welded or PWHTB2.1-1-313:2020
Carbon Steel1/8" – 1-1/2"GTAW, consumable inserts / SMAWMIL-MS1 Inserts & MIL-70S-2 or MIL-7018-MAs-welded or PWHTB2.1-1-315:2018
Carbon Steel1/8" – 1-1/2"GMAW Spray *** MIL-70S3As-welded or PWHTB2.1-1-316:2018
Carbon Steel1/8" – 1-1/2"FCAW-GMIL-70T-1 or MIL-71T-1As-welded or PWHTB2.1-1-317:2018
 Carbon to Stainless1/8" – 1-1/2"GTAWMIL-309 or ER309LAs-weldedB2.1-1/8-323:2020
Carbon to Stainless1/8" – 1-1/2"SMAWMIL-309-XX or MIL-309L-XXAs-weldedB2.1-1/8-324:2020
Carbon to Stainless1/8" – 1-1/2"GTAW followed by SMAWMIL-309 or ER309L & MIL-309XX or MIL-309L-XXAs-weldedB2.1-1/8-325:2020
 Stainless Steel1/8" – 1-1/2"GTAWMIL-3XXAs-weldedB2.1-8-318:2016
Stainless Steel1/8" – 1-1/2"SMAWMIL-3XX-XXAs-weldedB2.1-8-319:2018
Stainless Steel1/8" – 1-1/2"GTAW followed by SMAWMIL-3XX or MIL-3XX & MIL-3XX-XXAs-weldedB2.1-8-320:2020
Stainless Steel1/8" – 1-1/2"GTAW, consumable insertsMIL-3XX Inserts & MIL-3XXAs-weldedB2.1-8-321:2018
Stainless Steel1/8" – 1-1/2"GTAW, consumable inserts/SMAWMIL-3XX Inserts & MIL-3XX or MIL-3XX-XXAs-weldedB2.1-8-322:2018
 Primarily Pipe
ALL STANDARDS BELOW ARE ADOPTED BY NATIONAL BOARD INSPECTION CODE

 
  Carbon Steel1/8" – 1-1/2"GMAW-S followed by FCAW-G**ER70S-3 & E70T-1M, E71T-1M or -12MAs-welded or PWHTB2.1-1-232: 2020 (SW...
Carbon Steel1/8" – 1-1/2"GMAW-S followed by GMAW spray transfer***ER70S-3As-welded or PWHTB2.1-1-233: 2020 (SW...
Carbon Steel1/8" – 1-1/2"FCAW-G, Ar-CO2 shieldedE70T-1M, E71T-1M, or E71T-12MAs-welded or PWHTB2.1-1-234: 2020-AMD1 (SW...
Carbon Steel1/8" – 1-1/2"GMAW spray transfer***ER70S-3As-welded or PWHTB2.1-1-235: 2020-AMD1 (SW...
Carbon Steel1/8" – 1-1/2"GTAWER70S-2As-welded or PWHTB2.1-1-207: 2019
Carbon Steel1/8" – 1-1/2"GTAW followed by SMAW ER70S-2 & E7018As-welded or PWHTB2.1-1-209: 2019
Carbon Steel1/8" – 1-1/2"GTAW, consumable insertsINMs-1 & ER70S-2As-welded or PWHTB2.1-1-210: 2001 (R2012)
Carbon Steel1/8" – 1-1/2"GTAW, consumable inserts/SMAWINMs-1, E70S-2 & E7018As-welded or PWHTB2.1-1-211: 2001 (R2012)
Carbon Steel1/8" – 3/4"SMAWE6010 & E7018As-weldedB2.1-1-201: 2019
Carbon Steel1/8" – 3/4"SMAWE6010* & E7018As-weldedB2.1-1-202: 2019
Carbon Steel1/8" – 3/4"SMAWE6010As-weldedB2.1-1-203: 2019
Carbon Steel1/8" – 3/4"SMAWE6010*As-weldedB2.1-1-204: 2019
Carbon Steel1/8" – 1-1/2"SMAWE6010 & E7018As-welded or PWHTB2.1-1-205: 2019
Carbon Steel1/8" – 1-1/2"SMAWE6010* & E7018As-welded or PWHTB2.1-1-206: 2019
Carbon Steel1/8" – 1-1/2"SMAWE7018As-welded or PWHTB2.1-1-208: 2019
 Carbon to Stainless1/16" – 1-1/2"GTAWER309(L)As-weldedB2.1-1/8-227: 2002-A...
Carbon to Stainless1/8" – 1-1/2"GTAW followed by SMAWER309(L) & E309(L)-15,-16 or -17As-weldedB2.1-1/8-229: 2002-A...
Carbon to Stainless1/16" – 1-1/2"GTAW, consumable insertsIN309 and ER309(L)As-weldedB2.1-1/8-230: 2002-A...
Carbon to Stainless1/8" – 1-1/2"GTAW, consumable inserts/SMAWIN309, ER309 & E309-15,-16 or -17, or ER309(L) &E309(L)-15,-16 or -17As-weldedB2.1-1-1/8-231: 2015
Carbon to Stainless1/8" – 1-1/2"SMAWE309(L)-15,-16 or -17As-weldedB2.1-1/8-228: 2002 (R2013)
 Stainless Steel1/16" – 1-1/2"GTAWER3XXAs-weldedB2.1-8-212: 2001 (R2012)
Stainless Steel1/8" – 1-1/2"GTAW followed by SMAW ER3XX & E3XX-XXAs-weldedB2.1-8-214:2001 (R2012)
Stainless Steel1/8" – 1-1/2"GTAW, consumable inserts IN3XX & ER3XXAs-weldedB2.1-8-215: 2001 (R2012)
Stainless Steel1/8" – 1-1/2"GTAW, consumable inserts/SMAW IN3XX, ER3XX & E3XX-XXAs-weldedB2.1-8-216: 2001 (R2012)
Stainless Steel1/8" – 1-1/2"SMAW E3XX-XXAs-weldedB2.1-8-213: 1997(R2012)
 Cr-Mo (M-4/P-4)1/8" – 3/4"GTAW ER80S-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-217: 2021
Cr-Mo (M-4/P-4)1/8" – 1-1/2"GTAW followed by SMAWER80S-B2 & E8018-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-219: 2021
Cr-Mo (M-4/P-4)1/8" – 3/4"GTAW, consumable insertsIN515 & ER80S-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-220: 2021
Cr-Mo (M-4/P-4)1/8" – 1-1/2"GTAW, consumable inserts/SMAWIN515, ER80S-B2, & E8018-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-221: 2021
Cr-Mo (M-4/P-4)1/8" – 1-1/2"SMAWE8018-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-218: 2021
Cr-Mo (M-5A/P-5A)1/8" – 3/4"GTAWER90S-B3As-welded (<=1/2") or PWHT (all thicknesses)B2.1-5A-222: 2022 (S...
Cr-Mo (M-5A/P-5A)1/8" – 1-1/2"GTAW followed by SMAWER90S-B3 & E9018-B3As-welded (<=1/2") or PWHT (all thicknesses)B2.1-5A-224: 2022 (S...
Cr-Mo (M-5A/P-5A)1/8" – 3/4"GTAW, consumable insertsIN521 & ER90S-B3As-welded (<=1/2") or PWHT (all thicknesses)B2.1-5A-225: 2022 (S...
Cr-Mo (M-5A/P-5A)1/8" – 1-1/2"GTAW, consumable inserts/SMAWIN521, ER90S-B3, & E9018-B3As-welded (<=1/2") or PWHT (all thicknesses)B2.1-5A-226: 2022 (S...
Cr-Mo (M-5A/P-5A)1/8" – 1-1/2"SMAWE9018-B3As-welded (≤1/2") or PWHT (all thicknesses)B2.1-5A-223: 2022 (S...
 

Note: PQRs are not available to the purchaser of the SWPSs. See https://www.aws.org/standards/page/standard-welding-procedure-specifications-swps for additional information.”

* Downhill progression on root pass. All other vertical position passes are uphill.
** FCAW limited to uphill progression only when welding in the vertical position.
*** GMAW spray transfer limited to flat position only.

SWPSs with red order numbers may be used on ASME Boiler and Pressure Vessel work with additional requirements spelled out in Section IX of ASME Boiler & Pressure Vessel Code.