AWS B2.1-1-201-96 (R2007)

Standard Welding Procedure Specification for Shielded Metal Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 3/4" Thick, E6010 (Vertical Uphill) Followed by E7018 (Vertical Uphill), As-Welded Condition, Primarily Pipe Applications
standard by American Welding Society, 05/28/1996

AWS B2.1-1-019:2018

Standard Welding Procedure Specification (SWPS) for CO2: Shielded Lux Cored Arc Welding of Carbon Steel (M-1/P-1/S-1. Group 1 or 2), 1/8 through 1-1/2 inch Thick, E70T-1 and E71T-1, As Welded Condition
standard by American Welding Society, 04/10/2018