AWS B2.1-1-202:2019
Действует
STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR SHIELDED METAL ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUP 1 OR 2), 1/8THROUGH3/4 INCH THICK, E6010 (VERTICAL DOWNHILL) FOLLOWED BY E7018 (VERTICAL UPHILL), AS-WELDED CONDITION
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