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Q390钢板用什么焊丝

更新时间: 2021-01-23 00:37:05     

1、J557或E5515。J507也可以,但焊缝强度稍低些。

2、焊丝是作为填充金属或同时作为导电用的金属丝焊接材料,包括碳钢焊丝、低合金结构钢焊丝、合金结构钢焊丝、不锈钢焊丝和有色金属焊丝等。焊丝表面不涂防氧化作用的焊剂,在气焊和钨极气体保护电弧焊时,用作填充金属;在埋弧焊、电渣焊和其他熔化极气体保护电弧焊时,既是填充金属,也是导电电极。

关键词: q390 钢板 什么 焊丝

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