本文以生产实践为基础,指出了原材料及铁水成分对高强度孕育铸铁的影响,提出了高强度孕育铸铁的熔炼控制及孕育处理要点,介绍了近两年来用硅钙处理这种铸铁的过程以及获得的明显效果,同时简述了用硅钡、硅锶和硅锆等复合孕育剂处理这种铸铁的初步试验情况。 Based on the production practice, this paper points out the influence of raw materials and hot metal components on high strength cast iron, puts forward the key points of smelting control and inoculation of cast iron with high strength, and introduces the process of treating cast iron with calcium and calcium in the past two years. Obvious effect was obtained. At the same time, the preliminary experiments on the treatment of cast iron with compound inoculants such as barium silicon, strontium silicon and silicon zirconium were briefly introduced.