... Steel Pipe MaterialCarbon Steel, Stainless Steel, Alloy Steel, Nickel Alloy Steel, Duplex Steel and Super Duplex SteelSteel Pipe TypeSeamless Steel Pipe, Welded Steel Pipe, LSAW, SSAW, Galvanized Steel Pipe, Electric-resistance Welded Steel Pipe ... T11,T12,T22,T23,T91;Q235, Q195, Q345, 20 ... Black PaintingApplicationFluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Chemical Fertilizer Pipe, ...