There are 3 welding types: ERW (Electric Resistance Welding), LSAW (Longitudinally Submerged Arc Welding), and SSAW (Spirally Submerged Arc Welding) welding types. Welded (ERW, LSAW, SSAW) steel line pipe: 1/2â?? to 60â?? Range of Thickness: SCH 10 to SCH 160 Ends Type: Beveled ends, Plain ends Range of length: 20FT, 40FT or customized Protection Caps in plastic or iron available Surface appearances: Natural, Varnished, Black painting, 3PE, FBE, etc
