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无论是熔化极气体保护焊还是药芯焊丝电弧焊均使用连续焊丝,但前者使用的焊丝为实心的,后者使用的是空心管状焊丝。这种管状药芯焊丝通常是由低碳钢或合金钢制成的空心套管,中间空心填充上焊剂和合金材料构成的。焊剂材料在焊接
The continuous welding wire is used in either the flux gas shielded arc welding or the flux cored arc welding, but the former uses a solid wire while the latter uses a hollow tubular wire. This tubular flux cored wire is usually a hollow sleeve made of mild steel or alloyed steel with hollow flux filled and alloyed material. Flux material in the welding