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压力容器接管开孔在环缝上怎么焊接

2025-02-09 02:14:24

推荐回答（2个）

回答1：

一般来说开孔尽量避开焊缝。如果避不开，那就在以开孔中心为圆心，1.5倍开孔直径为半径的圆中所包容的焊接接头进行100%检测，合格级别同设备一样。

回答2：

GB 150.1～150.4-2011 6.1.4条规定：容器上的开孔宜避开容器焊接接头。当开孔通过或邻近容器焊接接头时，则应保证在开孔中心的2dop范围内的接头不存在任何超标缺陷。

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