AWS B2.1-5A-225:1999(R2009)-1/8至1/2英寸铬钼钢（M-5A/P-5A）的钨极气体保护焊（自耗镶块根部）标准焊接工艺规范（SWPS）厚如焊接状态；1/8至3/4英寸厚度焊后热处理条件 IN521和ER90S-B3 主要用于管道应用-国家数字标准馆

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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 3/4 in. Thick, PWHT Condition, IN521 and ER90S-B3, Primarily Pipe Applications 1/8至1/2英寸铬钼钢（M-5A/P-5A）的钨极气体保护焊（自耗镶块根部）标准焊接工艺规范（SWPS）厚如焊接状态；1/8至3/4英寸厚度焊后热处理条件 IN521和ER90S-B3 主要用于管道应用

发布日期： 1999-12-08

本标准包含厚度范围为1/8至1/2英寸的铬钼钢的基本焊接变量。在焊接状态下，或1/8至1-1/2英寸。在焊后热处理（PWHT）条件下，使用手工保护金属电弧焊。它引用了制作焊接件所需的母材和操作条件、填充金属规范以及坡口焊缝的允许接头设计。本焊接工艺规范（WPS）主要用于管道应用。

This standard contains the essential welding variables for chromium-molybdenum steel in the thickness range of 1/8 through 1/2 in. in the as-welded condition, or 1/8 through 1-1/2 in. in the postweld heat treated (PWHT) condition, using manual shielded metal 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 welding procedure specification (WPS) was developed primarily for pipe applications.

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发布单位或类别：美国-美国焊接协会

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