AWS B2.1-1-235:2006
Действует
STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR ARGON PLUS 2% OXYGEN SHIELDED GAS METAL ARC WELDING (SPRAY TRANSFER MODE) OF CARBON STEEL (M-1/P-1/S-1, GROUPS 1 AND 2), 1/8 THROUGH 1-1/2 INCH THICK, ER70S-3, FLAT POSITION ONLY
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