AWS B2.1-5A-222:1999 (R2009)

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, Primarily Pipe Applications

standard by American Welding Society, 12/08/1999

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This standard contains the essential welding variables for chromium-molybdenum steel in the thickness range of 1/8through 1/2 in. in the as-welded condition; or 1/8 through 3/4 in. in the postweld heat treated (PWHT) condition, usingmanual gas tungsten arc welding. It cites the base metals and operating conditions necessary to make the weldment, thefiller metal specifications, and the allowable joint designs for groove welds. This standard welding procedure specification(SWPS) was developed primarily for pipe applications.