Description

ERW straight seam welded steel pipe is a steel pipe made by rolling a certain specification of long steel strip into a round tube shape and welding the straight seam through a high-frequency welding unit. The shape of ERW straight seam welded pipe can be round - straight seam welded pipe round pipe, it can also be square - square and rectangular pipe or special-shaped - special-shaped steel pipe, it depends on the sizing rolling after welding.

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