AWS B2.1-1-234:2006
Действует
STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR ARGON PLUS 25% CARBON DIOXIDE SHIELDED FLUX CORED ARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 and 2), 1/8 THROUGH 1-1/2 INCH THICK, E7XT-X, AS-WELDED OR PWHT CONDITION
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