... alloy seamless steel pipe 1.material:Q295,Q345,Q390,Q420,Q460 2.usage:bridge, auto, pressure vessel and so on 16mn low alloy ... JISG3467-88;JISG3458-88;ASTM;ASMEMaterialCarbon Steel, Stainless Steel, Alloy Steel, Nickel Alloy Steel, Duplex Steel and Super Duplex SteelThickness SCH10-XXS ... (1-120mm)O.D.1/8'' up to 48''(21.3-813mm ...