Oil steel round pipe 1.Material Q235, Q345, Q195, Q215 2.O.D: 4 ... .5-75mm 3.transporting fluids 4.Hot dipped Oil steel round pipe High strength, ornamental stainless steel tubing is a design feature ... ,etc2..specification type Outer Diameter Thickness Round Pipe 32mm - 630mm 2.5mm-75.0mm Square Pipe 10mm*10mm-600mm*600mm 1.5mm-75 ... gas, water and some solid materials, pipes, etc.. Oil steel round pipe