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UOE Longitudinal Seam Submerged Arc Welded (UOE) Carbon Steel Pipe stands for the three main steps of the best way of pipe molding in the world. In the U step, steel plate is pressed at the transverse middle by a mold until it looks like a Ufrom the end. And then a trough presses from the top of the U towards the mold to make it look like an O. After welding the two edged pushed toghter, cold expand the pipe from inner side and make it round enough and release the edge stress. For the UOE molding method bri |
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