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["Pippendringeläsungsabstandstandsabstandtstande sProblem",,"Ist es möglich, nach diest es möglich,ichst es möglich,ich das nachst es möglichIst es möglichs热处理来消除焊接应力",,""Dies Abstandst es möglichs热影响区叠加,从而改变热状态及其力学性能等。同时也存在内应力。如果管道壁较厚的话可以考虑焊后热处理。"I"Normalerweise ist dies nicht ein Problem。Dieser Abstand ist nicht ein Problem。"I"Normalerweise sollten diest es möglichs热缝间距不小于管道直径的。如果不满足,割掉重新焊接。否则后患无穷。如果无法割掉那么可以把这一段看作薄弱段进行补强也是一个办法。"]

2019-09-10View Original

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在施工过程中管道环焊缝间距小于100MM,是否可以采用焊后热处理的方式来消除焊接应力
Reply #22019-09-10
一般不需要的。这个距离不是问题。。
Reply #32019-09-11
焊缝过小主要是导致焊缝热影响区叠加,从而改变热状态及其力学性能等。同时也存在内应力。如果管道壁较厚的话,可以考虑焊后热处理。
Reply #42019-09-11
一般2条焊缝间距应该不小于管道口径的,如果不满足,直接割掉重新焊接,否则后患无穷。如果运营了没法割,那么把这一段看成薄弱段进行补强也是一个办法了。

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