... precision dimension. Application: Seamless steel tubes for equipment, pipelines, vessels, pipe fittingsand mechanical StructuresGrade: 10, 20, 35, 45, Q345, 40Mn2, 45Mn2 ... -1999 or please contact us Bundles, seaworthy wooden casesWith or without edge protector, steel hoop and seals, or as per customers ... inquiry will be highly appreciated andtreated. OEM is welcomed. structure pipe