welded steel pipes

August 15, 2017

High Frequency Electric Weld (ERW) Line Pipe,ERW casing pipe

high frequency electric weld (ERW) line pipe and standard electric resistance weld pipe products are smoothly finished and thin-walled. They are produced by continuously forming coiled hot rolled strip into a tube and welding the longitudinal seam using high-frequency electric resistance welding. Size:(ERW, HFI, EFW) Outer Diameter: 6mm-610mm (1/16″-24″) Wall […]