... %Length6m in normal; also according to customers’ requirementsStandardBS, ASTM, EN, API 5L, API 5CT, DIN, GB/T, etc.TechniqueweldedProduct CategoryMetallurgy, Mineral & EnergyMaterialQ195/Q215 ... /Q235/Q345/A53(A.B)CertificatesISO, API 5L, API 5CT, CE, etc.Surface TreatmentsBlack Vanished, PP,PE,3PE,Galvanized etc ...