AWS B2.1-1-018:1994
Standard Welding Procedure Specification for Self-Shielded Flux Cored Arc Welding of Carbon Steel (M-1/P-1/S-1, Group 1 or 2), 1/8 through 1-1/2 inch Thick, E71T-8, As Welded Condition
standard by American Welding Society, 01/01/1994