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Straight seam steel pipes and spiral steel pipes are both a kind of welded steel pipes. They are widely used in national production and construction. Straight seam steel pipes and spiral steel pipes have many differences due to different production processes. The following details will discuss the n
Spiral pipe is also called spiral steel pipe or spiral welded pipe. It is made by rolling low-carbon structural steel or low-alloy structural steel strip according to a certain spiral angle (called forming angle) into a tube blank, and then welding the pipe seam together. It can produce large-diamet