Usage:used for low pressure liquid delivery, such as water, gas, and oil; construction and piling Standard:api 5l, api 5ct, astm a252, astm 53, en10217, en10219, bs, jis, is Certificate:en10217, en10219, api 5l psl1/ psl2, api 5ct Out diameter:219.1 mm ¨c 2540mm (8"-100") Wall thickness:3.2mm - 25.4mm Length:6 ¨c 22 m Steel grade:api 5l: gr a, gr b, x42, x46, x56, x60, x65, x70 Astm a252 gr 1, gr 2, gr 3 Astm a53: gr a, gr b, gr c, gr d Bs 4360: grade 43, grade 50 En: s275, s275jr, s355jrh, s355j2h Surface:fusion bond epoxy coating, coal tar epoxy, 3pe, vanish coating, bitumen coating, black oil coating as per customer¡¯s 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 As per customer's requirements