Production Process: JCOE Product Details: Out Diameter: 325-1420mm (14� -60�) 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 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. If you consider the LSAW pipe of our business piping project, please call and quote. Hebei Borun Steel Trade Co., Ltd is a famous steel pipe supplier in China. We can provide the items you need. The timely delivery orders are all over the world. Feel free to contact us if any further questions,we will serve you as soon as possible.