AWSB2.1-1/8-231:2002
Действует
STANDARD WELDING PROCEDURE SPECIFICATION (SWPS) FOR GAS TUNGSTEN ARC WELDING WITH CONSUMABLE INSERT ROOT FOLLOWED BY SHIELDED METALARC WELDING OF CARBON STEEL, (M-1/P-1/S-1, GROUPS 1 OR 2) TO AUSTENITIC STAINLESS STEEL (M-8/P-8/S-8, GROUP)
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