Electric Resistance Welded Steel Pipe Usage: low pressure liquid delivery, such as water, gas, and oil drilling and machinery manufacturing, etc. Process: ERW : Electric Resistance Welded pipe HFI: High Frequency Induction weld pipe EFW: Electric Fusion Welded Pipe Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387 Certificate: API 5L PSL1/ PSL2, API 5CT Out Diameter: 21.3mm -660mm Wall Thickness: 1.5mm-22.2mm Length: 0.3 18m Steel Grade: API 5L : GR B, X42,X46, X56, X60,X65,X70 ASTM A53: GR A, GR B, GR C EN: S275, S275JR, S355JRH, S355J2H Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customers requirement Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. Mill Test Certificate: EN 10204