Discussion on Some Examples of Austempering Process
Author of the article:WANG Dingxiang1 , SUN Ping2 , LI Zhaoxia3
Author's Workplace：1. Qingdao Machinery Research Institute, Qingdao 266033, China; 2. Qingdao Hukun Wear-resistant Steel Co., Ltd., Qingdao 266404, China; 3. Jiaozuo Gude Joint Machinery Manufacturing Co., Ltd., Jiaozuo, Jiaozuo 454150, China
Key Words：austempered ductile ron; isothermal quenching; grade isothermal quenching; austenite
Abstract：Three heat treatments were described including quenching and tempering, stepped austempering and salt bath
austempering. The processes and results of the three treatments methods were discussed, analyzed and compared from
composition, microstructures and properties. Results show these methods have good applications in related industry fields.
