In order to solve the surface chemical scab phenomenon of the high manganese steel casting,the method that replacing quartz sand with magnesium olivine sand was put forward in this paper.

• 介绍了为解决高锰钢铸件的表面化学粘砂现象,结合生产实际,提出将铸件原砂由石英砂改为镁橄榄石砂。