Sizes of erw steel pipe
Out diameter: 1/2" -24" (21.3mm-610mm)
Wall thickness: 1.65mm-20mm

Manufacturing Process of ERW steel pipe
Electric Resistance Welded (ERW) pipe is manufactured by cold forming a flat steel strip into a rounded tube and passing it through a series of forming rollers to obtain a longitudinal seam. The two edges are then simultaneously heated with a high frequency current and squeezed together to form a bond. The longitudinal ERW seam does not require filler metal.

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