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 gaugeGTAWER309As-welded, with or w/o backingB2.1-1/8-010: 2015 (...
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: 2011 (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: 1990(R20...
Carbon Steel1/8" – 1-1/2"GTAW followed by SMAWER70S-2 & E7018As-welded or PWHTB2.1-1-021: 1994 STA...
Carbon Steel3/16" – 3/4"SMAWE7016 & E7018As-welded, with backingB2.1-1-001: 1990(R20...
Carbon Steel1/8" – 1-1/2"SMAWE7018As-welded or PWHTB2.1-1-016: 1994 STA...
Carbon Steel1/8" – 1-1/2"SMAWE6010As-welded or PWHTB2.1-1-017: 1994 STA...
Carbon Steel1/8" – 1-1/2"SMAWE6010 & E7018As-welded or PWHTB2.1-1-022: 1994 STA...
Carbon Steel1/8" – 1-1/2"SMAWE6010* & E7018As-welded or PWHTB2.1-1-026: 1994 STA...
Carbon Steel1/8" – 1-1/2"FCAW, self-shieldedE71T-8As-weldedB2.1-1-018: 1994 STA...
Carbon Steel1/8" – 1/2"FCAW, self-shieldedE71T-11As-weldedB2.1-1-027: 2011 STA...
Carbon Steel1/8" – 1-1/2"FCAW-G, CO2 gas-shieldedE70T-1 or E71T-1As-weldedB2.1-1-019: 1994-AMD...
Carbon Steel1/8" – 1-1/2"FCAW-G, Ar-CO2 gas-shieldedE70T-1 or E71T-1As-welded or PWHTB2.1-1-020: 1994-AMD...
Stainless Steel1/16" – 1-1/2"GTAWER3XXAs-weldedB2.1-8-024: 2001 (SW...
Stainless Steel1/8" – 1-1/2"GTAW followed by SMAWER3XX & E3XX-XXAs-weldedB2.1-8-025: 2001 (SW...
Stainless Steel1/8" – 1-1/2"SMAWE3XX-XXAs-weldedB2.1-8-023: 1994 (SW...
 Naval Applications
SUPPORTS REQUIREMENTS OF NAVSEA S9074-AQ-GIB-010/248
 
Carbon Steel1/8" – 1-1/2"SMAWMIL-7018-MAs-welded or PWHTB2.1-1-302:2015...
Carbon Steel1/8" – 1-1/2"SMAWMIL-7018-MAs-welded or PWHTB2.1-1-312:2015...
Stainless1/8" – 1-1/2"GTAWMIL-3XXAs-weldedB2.1-8-308:2016
Stainless1/8" – 1-1/2"GTAWMIL-3XXAs-weldedB2.1-8-318:2016
 Primarily Pipe
ALL STANDARDS BELOW ARE ADOPTED BY NATIONAL BOARD INSPECTION CODE
except B2.1-1-202
 
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: 2006 (SW...
Carbon Steel1/8" – 1-1/2"GMAW-S followed by GMAW spray transfer***ER70S-3As-welded or PWHTB2.1-1-233: 2006 (SW...
Carbon Steel1/8" – 1-1/2"FCAW-G, Ar-CO2 shieldedE70T-1M, E71T-1M, or E71T-12MAs-welded or PWHTB2.1-1-234: 2006 (SW...
Carbon Steel1/8" – 1-1/2"GMAW spray transfer***ER70S-3As-welded or PWHTB2.1-1-235: 2006 (SW...
Carbon Steel1/8" – 1-1/2"GTAWER70S-2As-welded or PWHTB2.1-1-207: 1996(R20...
Carbon Steel1/8" – 1-1/2"GTAW followed by SMAWER70S-2 & E7018As-welded or PWHTB2.1-1-209: 1996(R20...
Carbon Steel1/8" – 1-1/2"GTAW, consumable insertsINMs-1 & ER70S-2As-welded or PWHTB2.1-1-210: 2001 STA...
Carbon Steel1/8" – 1-1/2"GTAW, consumable inserts/SMAWINMs-1, E70S-2 & E7018As-welded or PWHTB2.1-1-211: 2001 (SW...
Carbon Steel1/8" – 3/4"SMAWE6010 & E7018As-weldedB2.1-1-201: 1996(R20...
Carbon Steel1/8" – 3/4"SMAWE6010* & E7018As-weldedB2.1-1-202: 1996(R20...
Carbon Steel1/8" – 3/4"SMAWE6010As-weldedB2.1-1-203: 1996(R20...
Carbon Steel1/8" – 3/4"SMAWE6010*As-weldedB2.1-1-204: 1996(R20...
Carbon Steel1/8" – 1-1/2"SMAWE6010 & E7018As-welded or PWHTB2.1-1-205: 1996(R20...
Carbon Steel1/8" – 1-1/2"SMAWE6010* & E7018As-welded or PWHTB2.1-1-206: 1996(R20...
Carbon Steel1/8" – 1-1/2"SMAWE7018As-welded or PWHTB2.1-1-208: 1996(R20...
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-weldedB2.1-1/8-231: 2002 (...
Carbon to Stainless1/8" – 1-1/2"SMAWE309(L)-15,-16 or -17As-weldedB2.1-1/8-228: 2002 (...
Stainless Steel1/16" – 1-1/2"GTAWER3XXAs-weldedB2.1-8-212: 2001 (SW...
Stainless Steel1/8" – 1-1/2"GTAW followed by SMAWER3XX & E3XX-XXAs-weldedB2.1-8-214: 2001 (SW...
Stainless Steel1/8" – 1-1/2"GTAW, consumable insertsIN3XX & ER3XXAs-weldedB2.1-8-215: 2001 STA...
Stainless Steel1/8" – 1-1/2"GTAW, consumable inserts/SMAWIN3XX, ER3XX & E3XX-XXAs-weldedB2.1-8-216: 2001 (SW...
Stainless Steel1/8" – 1-1/2"SMAWE3XX-XXAs-weldedB2.1-8-213: 1997(R20...
Cr-Mo (M-4/P-4)1/8" – 3/4"GTAWER80S-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-217:1999 (R20...
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: 1999 (R2...
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: 1999 (SW...
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: 1999 (SW...
Cr-Mo (M-4/P-4)1/8" – 1-1/2"SMAWE8018-B2As-welded (<=1/2") or PWHT (all thicknesses)B2.1-4-218: 1999 (SW...
Cr-Mo (M-5A/P-5A)1/8" – 3/4"GTAWER90S-B3As-welded (<=1/2") or PWHT (all thicknesses)B2.1-5A-222: 1999 (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: 1999 (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: 1999 (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: 1999 (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: 1999 (S...
* 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.
Specifications with order numbers indicated in red are adopted by ASME with additional requirements.