The operating process, microstructures, mechanical properties and cost of the low alloy martensitic nodular cast iron grinding balls using EPC and immediate quenching were introduced in this paper.

• 介绍了采用真空消失模铸造(EPC)低合金余热淬火马氏体球墨铸铁磨球的工艺、磨球的组织、力学性能、生产成本以及使用性能,并与采用金属型铸造的相同材质的磨球进行了对比。