Process:lsaw - rb(rbejco(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.
