AWS B2.1.1.235 : 2006
AWS B2.1.1.235 : 2006
STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR ARGON PLUS 2% OXYGEN SHIELDED GAS METAL ARC WELDING (SPRAY TRANSFER MODE) OF CARBON STEEL (M-1/P-1/S-1, GROUPS 1 AND 2), 1/8 THROUGH 1-1/2 INCH THICK, ER70S-3, FLAT POSITION ONLY
American Welding Society