Spiral Welded Pipe Manufacturing Process - Permanent Steel
2020-9-14u2002·u2002Spiral welded pipe unit The spiral welded pipe unit is used to produce large-diameter steel pipes with a diameter of (89~2450)mm×(0.5~25.4)mm and a length of 6~35m. The production method is continuous and discontinuous. The unit adopts spiral forming, and the welding adopts two steps of pre-welding and final welding.
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