Round steel is a solid strip of steel with a circular cross section.Its specifications are expressed inmillimeters of diameter ,such as “50”means round steel with a diameter of 50mm.45#round steel is divided into three type:hot rolling,forging and cold drawing.

The stainless steel bar has a smooth surface, high plasticity, toughness and mechanical strength, and is resistant to corrosion by acids, alkaline gases, solutions and other media.