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