Steel Tube
Steel tube is including seamless steel tube and seamed steel tube. Steel tube which has a hollow cross-section is widely used for transportation of fluids, such as oil, gas, water, some solid materials and so on.
Steel tube is lighter than steel bar if both of them have the same torsional strength in bending. Steel tube is a kind of economic steel which has a hollow cross-section. It is widely used for transportation of fluids, such as oil, gas, water, some solid materials and so on as well as the manufacture of structural parts and mechanical parts, such as oil drill pipe, automotive drive shafts, bicycle frame, bearing sleeves, etc.