Oil steel round pipe 1.Material Q235, Q345, ... transporting fluids 4.Hot dipped Oil steel round pipe High strength, ornamental stainless steel tubing is a design feature ... us an ideal manufacturing partner. 1.Material stainless steel ,steel model Q235, Q345, Q195, Q215 ,etc2..specification ... as the transportation of oil, natural gas, gas, water and some solid materials, pipes, etc.. Oil steel round pipe