In view of the higher hardness of high Cr-W white cast iron, a lot of experiments were carried out in relation to softening annealing process, and the microstructure transformation during annealing process was analysed.

• 摘要针对高铬钨铸铁硬度高这一问题，对其软化退化工艺进行试验，并对高铬钨铸铁退火过程中组织转变进行分析。