The national standard is suitable for welded joint of carbon steel and low alloy steel with gas welding (being used for sheet metal), manual arc welding and gas - shielded welding.
本标准适用于气焊(用于薄板)，手工电弧焊及气体保护焊焊接的碳钢、低合金钢焊接接头。
The national standard is suitable for welded joint of carbon steel and low alloy steel with gas welding (being used for sheet metal), manual arc welding and gas - shielded welding.
本标准适用于气焊(用于薄板)，手工电弧焊及气体保护焊焊接的碳钢、低合金钢焊接接头。
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