The microstructures of high chromium cast iron after different heat treatments are investigated,and the effects of different heat treatments on the impact toughness and hardness are discussed.

• 研究了不同热处理状态下高铬白口铸铁显微组织,探讨了热处理对高铬铸铁冲击韧性和硬度的影响,并确定了组织与性能的相关性。