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研究了一种新型磨球材质－低锰球墨铸铁，并提出了该材质作为磨球使用的适宜组织。装机试验结果表明，该材质制成的磨球具有良好的抗磨性能．
A new type of grinding ball material - low manganese nodular cast iron was studied, and the suitable structure of the material for grinding balls was proposed. The test results show that the material made of the ball has good wear resistance.