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, 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
Surface: fusion bond epoxy coating, coal tar epoxy, 3pe, vanish coating, bitumen coating, black oil coating as per customers requirement
Test: chemical component analysis, mechanical properties (ultimate tensile strength, yield strength, elongation), technical properties (flattening test, bending test, blow test, impact test), exterior size inspection, hydrostatic test, x-ray test.
Mill test certificate: en 10204 / 3.1b
