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1·English Name:Welding and allied processes - Recommendations for joint preparation - Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels.

简体中文标题：焊接和相关工艺。接缝制备的建议。钢的手动金属电弧焊、气体保护金属电弧焊、气焊、TIG焊接和束焊。

2·The behaviors of desulphidation during manual metal arc welding have been studied by means of experimental and theoretical analysis.

通过试验和理论分析，研究了手弧焊熔渣冶金脱硫行为。

3·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。