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宁波压力管道安装公司在压力管道焊接时是有技巧的

点击数:250    发布日期:2019-10-16

  宁波压力管道安装公司在进行压力管道焊接的时候要把握电弧的长度。电弧的长度与焊条涂料种类和药皮厚度有关系。但都应尽可能采取短弧,特别是低氢焊条。电弧长可能造成气孔。短弧可避免大气中的一些有害气体侵入焊缝金属,形成氧化物等不良杂质而影响焊缝质量。

宁波北仑宝瑞机电设备安装有限公司

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