... , API 5L, API 5CT, DIN, GB/T, etc.TechniqueweldedProduct CategoryMetallurgy, Mineral & EnergyMaterialQ195/Q215/Q235/Q345/A53(A.B)CertificatesISO, API 5L ... , etc.Surface TreatmentsBlack Vanished, PP,PE,3PE,Galvanized etc.UsageConstruction, water heating, car manufacturing, electrical installation and mining etc.Main marketEurope ... .5 tonsDelivery time: 10 to 40 days Welded Steel Pipe water use