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CN107921570A 焊接部外观和焊接强度优异的熔融镀Zn系钢板的弧焊方法、焊接部件的制造方法以及焊接部件 有权

焊接部外观和焊接强度优异的熔融镀Zn系钢板的弧焊方法、焊接部件的制造方法以及焊接部件
Abstract:
本发明在对熔融镀Zn系钢板(1，1’)进行弧焊时，平均焊接电流为100A～350A，平均焊接电压为20V～35V，电流波形为以1～50ms的脉冲周期重复峰值电流与基线电流的脉冲电流波形，熔融镀Zn系钢板(1，1’)的镀层的组成以Zn作为主成分且以质量％计含有1.0％～22.0％的Al，镀附量W为15～250g/m2。
Abstract(English):

A method for arc welding a hot-dip galvanized steel plate (1,1'), wherein: the average welding current is 100-350 A; the average welding voltage is 20-35 V; the waveform is a pulse current waveform including a peak current and a base current alternately repeated at a pulse cycle of 1-50 ms; a plated layer of the hot-dip galvanized steel plate (1,1') has a composition comprising Zn as a main component and containing 1.0-22.0 mass% of Al; and the plating deposition amount W is 15-250 g/m<2>.

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