By comparing backgouging of plasma arc with carbon arc to the welded joint of 13-5 martensitic stainless steel, the backgouging of plasma arc is proved feasible for the full penetration weld.

通过对13 -5型马氏体不锈钢焊接接头进行等离子弧清根及碳弧气刨清根的比较，证明等离子弧清根对全焊透焊缝实施背面清根是可行的。

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Widely used for butt weld joint between carbon steel, alloy steel, non-ferrous pipes, bars and profiled materials or butt weld between heterogenous metals.

广泛用于碳钢、合金钢、有色金属的管、棒、板、型材之间的对焊或异类金属之间的对焊。

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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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