消除ZG25Mn18Cr4铸钢件的皱纹缺陷

Surface Fold and Cold Shut of ZG25 Mn18 Cr4 Type Cast Steel Castings

本文通过试验表明,严格控制铸造过程中的一些工艺参数,能有效地防止ZG25Mn18Cr4钢铸件表面产生皱纹、冷隔缺陷。

Based on the expericnce from production for years , the investigations were carried out to prevent ZG25 Mn Cr4 type cast steel casting from surface fold and cold shut, which were caused by poor fluidity owing to the oxidation of Mn and Cr in the melt. It is evident that the cast defects mentioned above can be effectively eliminated by close controling the casting prosess parameters.