Classification and use of round steel
Round steel is a widely used metal material, mainly made of carbon structural steel. It usually has a circular cross-section, and can be made into materials of different shapes, such as cylinders, square columns, hexagonal columns, etc., through different processing methods during processing. According to the production process classification: divided into three types: hot rolling, forging and cold drawing; Hot-rolled round steel: the metal billet is passed through the gap (various shapes) of a pair of rotating rollers, and the