Stainless steel bar is a very common material in stainless steel products. Round steel, square steel, hexagonal steel, octagonal steel and flat steel are collectively referred to as stainless steel bars. Stainless steel rods have a wide range of application scenarios and are used in hardware kitchenware, food, medical, electric power, petrochemical, construction and decoration, shipbuilding and other fields. According to the production process, stainless steel bars can be divided into three types: hot rolling, forging and cold drawing.