This article discussed the residual stress of the HU-METAL method formed large diameter longitudinal seam welded steel pipe.

对HU - METAL法卷制成型大直径直缝焊钢管残余应力进行了分析讨论。

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Baosteel's UOE mill is the first modern large-diameter longitudinal submerged-arc welded (LSAW) pipe unit in China. It is also an advanced production line of the same kind in the world.

宝钢UOE机组是我国第一套现代化大口径直缝埋弧焊管机组，也是世界上装备最先进的大口径直缝埋弧焊生产线。

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