Hardened steel balls have the following characteristics: 1. High harness: After quenching treatment, the hardness of the steel ball is significantly increased, usually reaching 60-66 HRC (Rockwell hardness), so that it has good wear resistance and wear resistance. 2. High toughness: Although the quenching treatment will increase the hardness of the steel ball, it will also reduce its toughness. However, through the appropriate quenching process and alloy formulation, it is possible to maintain a certain toughness while maintaining a high hardness, so that the steel ball has a good impact resistance. 3. High dimensional accuracy: quenching treatment can effectively control the size and shape of the steel ball, so that it has a high dimensional accuracy and roundness to meet the requirements of different application fields. 4. Good corrosion resistance: quenching treatment can improve the surface hardness and corrosion resistance of the steel ball, so that it can be used in harsh environ…