Q345 seamless steel tube Standard:ASTM A53/A106B GB/T8162/8163/3087 JIS ... Length: 5.8M -11.8M Q345 seamless steel tube StandardASTMA106 GRB /API5LGRB/ASTMA53GRBMaterialGRB 20# STEELOD1/4"-24",13mm-610mmWTSCH20,SCH40,SCH60,SCH80 ... cold drawn,140mm above hot rolled,273mm above hot expandPacking6 steel strip,bundles,Caps , plastic wrap,loading beltMin OrderLarge quantity will ...