How are straight seam steel pipes produced? Through high frequency welding equipment

Straight seam steel pipe is a steel pipe whose weld seam is parallel to the longitudinal direction of the steel pipe. The production process is cold-formed, welded, sizing and cutting to produce finished steel pipes. Products involved carbon steel pipes, iron pipes, galvanized pipes, black steel pipes
Complete process of straight seam welded pipe equipment:https://youtube.com/playlist?list=PLPHR1NNUFJ2HT85xGO3lkkuB9g7zjTC73
Details of high frequency straight seam welded pipe equipment: *；
Equipment and product technical consultation: *.
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