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a312是什么材质
更新时间: 2020-12-02 13:33:26  

不锈钢。A312属于不锈钢材质,a312通常被用作焊条的原材料,由于焊缝中含有较多的mo,所以用a312制成的焊条比a302焊条具有更好地耐腐蚀性、抗裂及抗氧化性能,用于复合钢板、异种钢的焊接。当然在焊接前要注意焊条需要经过200-250摄氏度烘焙1小时,并且尽可能采用直流电源,使用过程中电流也不宜过大。

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