AWS B2.1-5A-222 : 2022 Title: Standard Welding Procedure Specification (SWPS) for Gas Tungsten Arc Welding of Chromium-Molybdenum Steel (M-5A/P-5A), ER90S-B3, 1/8 through 1/2 in. Thick, As-Welded Condition ; 1/8 through 3/4 in. Thick Year: 2022 Publisher: American Welding Society Availability: Within 1-2 working days