AWS B2.1-22-015:2002

Standard Welding Procedure Specification (Swps) for Gas Tungsten Arc Welding of Aluminum (M/P/S-22 to M/P/S-22), 18 through 10 Gauge, in the As-Welded Condition, with or without Backing
standard by American Welding Society, 01/01/2002

AWS B2.1-1-209:1996 (R2007)

Standard WPS for Gas Tungsten Followed by Shielded Metal Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 1 1/2" Thick, ER70S-2 and E7018, As-Welded or PWHT Condition, Primarily Pipe Applications
standard by American Welding Society, 06/07/1996

AWS B2.1-1-027:2018

STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SELF-SHIELDED FLUX CORED ARC WELDING OF CARBON STEEL (M-1 or P-1, GROUPS 1 AND 2), 1/8 INCH [3 mm] THROUGH 1/2 INCH [13 mm] THICK, E71T-11, IN THE AS-WELDED CONDITION, PRIMARILY PLATE AND STRUCTURAL APPLICATIONS
standard by American Welding Society, 02/16/2018