ANSI B2.1-1-211-96


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ANSI B2.1-1-209-96


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Aws B2. 1-1-209


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Aws B2. 1-1-207


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AWS B2. 1-4-219-1999, Standard Welding Procedure Specification (WPS) for Gas Tungsten Arc Welding Followed by Shielded Metal Arc Welding of Chromium-Molybdenum Steel (M-4/P-4, Group 1 Or 2), 1/8 Through 1/2 In. Thick, As-Welded Condition, 1/8 Through 1-1/2 In. Thick, PWHT Condition, ER80S-B2 and E8018-B2, Primarily Pipe Applications


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E G 3. 0-96


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