Lsaw 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, x70astm a53 gr a, gr b, gr cen s275, s275jr, s355jrh, s355j2hgb 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 customers requirement