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邹县发电厂两台 6 0 0MW锅炉过热器分隔屏夹持管TP3 0 4H不锈钢焊口短短三年时间内发生多次泄漏 ,经分析认为 ,泄漏是由于TP3 0 4H不锈钢具有热裂倾向 ,焊接电流过大以及焊工技能较低所引起的
TP60H stainless steel welded joint split several times within three years time leaks, the analysis is that the leak is due to TP3 0 4H stainless steel with hot cracking tendency, Welding current is too large and welder skills caused by low