What is ERW steel pipe?
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What is ERW steel pipe?

Date:2018-08-22      View(s):178      Tag:ERW steel pipe  
ERW steel pipe is manufactured through low or high frequency resistances Electric Resistance. Welding seam is in longitudinal. During the ERW pipe welding processes, the electric current will make the heat when flow through the contact surface of the welding area. It will heat the 2 edges of the steel to a point that the edges can form a bond. Meanwhile with the combined pressure, the edge of the pipe billet steel melted and extruded together.

Usually ERW pipe maximum OD is 24” (609mm), for larger dimensions pipe will be manufactured in SAW.

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