Lsaw Steel Pipe Astm A572

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