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。
This article discussed the residual stress of the HU-METAL method formed large diameter longitudinal seam welded steel pipe.
该法可使带钢边部的伸长量最小和尺寸处于稳定状态，并可满足扩大中小径直缝电焊管的规格品种和提高焊速的要求。
The process, with constant and minimum elongation of strip steel edge, can meet the requirements of expanding varieties and sizes with higher welding speed.
用切块法实测了某大口径X70双面直缝埋弧焊管内的残余应力。
The residual stress in a heavy caliber X70 double-surface straight-seam submerged arc tube was measured using the piece-cutting method.
用切块法实测了某大口径X70双面直缝埋弧焊管内的残余应力。
The residual stress in a heavy caliber X70 double-surface straight-seam submerged arc tube was measured using the piece-cutting method.
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