AWS B2.1-5A-225 : 2022 Title: Standard Welding Procedure Specification (SWPS) for Gas Tungsten Arc Welding (Consumable Insert Root) of Chromium-Molybdenum Steel (M-5A/P-5A), 1/8 through 1/2 in. Thick, As-Welded Condition; 1/8 through Year: 2022 Publisher: American Welding Society Availability: Within 1-2 working days