AWS-NAVSEA B2.1-1-305 : 2018

STANDARD WELDING PROCEDURE SPECIFICATION FOR NAVAL APPLICATIONS (SWPS-N) FOR 75% ARGON PLUS 25% CARBON DIOXIDE SHIELDED FLUX CORED ARC WELDING OF CARBON STEEL (S-1), 1/8 INCH [3 MM] THROUGH 1-1/2 INCH [38 MM] THICK, MIL-70T-1 AND MIL-71T-1, IN THE AS-WELDED OR PWHT CONDITION, PRIMARILY PLATE AND STRUCTURAL NAVAL APPLICATIONS

American Welding Society