High Frequency Weld Pipe Mill Line

Straight seam welded pipe is a series of longitudinally welded welded steel pipes by using a high-frequency welding unit to roll a certain specification of long steel strip into a round tube. 

Due to the characteristics of high hardness and smooth surface, the longitudinally welded pipe has been widely used in some industrial fields that were previously seamless steel pipes, such as automobile transmission pipes, boiler pressure pipes, petroleum casing pipes, oil and gas transmission pipes, etc. , Is gradually being replaced by longitudinal welded pipes. 

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