Longitudinal Submerged-Arc Welded Steel Pipe Process:LSAW - UO(UOE)、RB(RBE)、JCO(JCOE,COE) DSAW -Double Submerged arc welded Usage:Used for low pressure liquid delivery, such as water, gas, and oil. Standard:API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711 Certificate:API 5L PSL1 / PSL2, API 5CT Out Diameter:323.9mm-1820mm(12''-72'') Wall Thickness:5.0 - 50mm Length:6 – 12m 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 GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555 Surface:Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s 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 10204/3.1B