AWS B2.1-5A-222:1999 (R2009)
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, PWHT Condition,…