Quick details of lsaw Out diameter 325-1420mm (14â?³ -60â?³) Production process Jcoe Wall thickness 8-40mm Length 3-13m Standards Api 5l, astm a672, astm a53, sy/t5768 -2006, gb/t3091 -2008, gb/t9711 -1 Steel grades Q235, q345, l245, l290, a53, s235, s275, s355, gr.B/x42/x46/x56, a672 b60 cl22 Tpi Sgs, bv, moody, ccic can be arranged before shipment. Packing In bulk due to big sizes Surface treatment Anti-rust black painting, anti-corrosion treatment (fbe, 3pe, 2pe) Tpi ( third party inspection) Sgs, bv, moody, ccic Applications Liquid shipping like oil, water and fuel, building and constructions, chemical vegetation, power station, as well as foreign drill system.