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