標準號：ANSI/AWS B2.1-**-222-1999
中文標準名稱：鉻鉬鋼氣體保護鎢*弧焊標準焊接程序規范(M-**或P-**),主要用于管道在焊接條件下ER 90S-BS,1/8到1/2 in.厚或在PWHT條件下1/8到3/4 in.厚
英文標準名稱：Standard Welding Procedure Specification (WPS)for Gas Tungsten Arc Welding of Chromium-Molybdenum Steel (M-**/P-**), ER90S-B3, 1/8 through 1/2 in. Thick, As-Welded Condition, 1/8 through 3/4 in. Thick, PWHT Condition, Primarily Pipe Applications
標準類型：J33
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：J33
國際標準分類號：25.160.10
適用范圍：Contains the essential welding variables for chromium-molybdenum steel in the thickness range of 1/8 through 1/2 inch in the as-welded condition, or 1/8 through 3/4 inch in the PWHT condition, using manual gas tungsten arc welding. It cites the base metals and operating conditions necessary to make the weldment, the filler metal specifications, and the allowable joint designs for groove welds. This WPS was developed primarily for pipe applications.