Manufacturing process for straight seam welded pipe

Straight seam steel pipes can be divided into high-frequency straight seam steel pipes and submerged arc welded straight seam steel pipes according to production processes. Submerged arc welded straight seam steel pipes are divided into UOE, RBE, JCOE steel pipes, etc. according to their different forming methods. The following introduces the most common forming processes for high-frequency straight seam steel pipes and submerged arc welded straight seam steel pipes. https://www.yaang.com/a-comprehensive...