1/2'' -14" carbon Cold drawn seamless steel pipe ASTM A106/A53,API 5L GR.B, O.D.: 13.7-355mm W.T.: 2-30mm length:7-9m rand StandardASTM, BS, JIS, DIN,GB,ASMESteel GradeGB 10#-45#, Q195-Q345,ASTM A53-A369,DIN ST35-ST52, BS 1387O.D.1/4"--30",samll diameter OD:13.7-141mmW.T.SCH10--SCH160,shc40/sch80Length7m--9m random or 5.8/6m be fixedEnd protectionPlastic capsOutside CoatingBlack painting, anti- ...