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 Thickness: 0.3mm-22mm
ERW line pipe– for the transportation of oil, natural gas and chemical materials
Standards: AP-5L PSL1/ PSL2 GB/T9711.1-1997 GB/T9711.2-1999Steel
ERW Casing pipe–petroleum and nature air exploration
Standards： API SPEC 5CT, SY/T5989
Materials ：H40 J55 K55
Features of ERW welded pipe products:
2.ERW steel pipe products have uniform wall thicknesses made from hot-rolled steel strip
3.Stronger, lighter walls: Abter’s higher strength, lighter gauge steel strip is fused by high frequency electric resistance welders into high toughness steel pipe that meets exacting tolerances and strength specifications.