The inoculating effectiveness of rare-earth containing complex inoculants in the cylindrical castpistonring of low-alloy gray castiron is discussed in this paper.
本文研究了新型稀土复合孕育剂在灰铸铁简体活塞环中的孕育效果。
2
The basic principle and the improvement of Santana spherical castironpistonring chromium plating technology is briefly introduced.