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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

AWS B2.1-1-234:2006

Standard Welding Procedure Specification (Swps) for Argon Plus 25% Carbon Dioxide Shielded Flux Cored Arc Welding of Carbon Steel (M-1/P-1/S-1) Groups 1 and 2, 1/8 through 1-1/2 inch Thick, E7XT-X, As-Welded or PWHT Condition, Primarily Pipe Applications
standard by American Welding Society, 01/01/2006