| 摘要 |
<p>Abstract This alloy ductile iron comprises, in% by weight, in addition to building additions to the basic composition elements of a spheroidal graphite cast iron, the following: 5 - Ni between 3.5% and 7% - Cu between 0.5% and 3%, - Mo between 0.15% and 1% the rest of the residual elements and inevitable impurities. Application to the manufacture of toothed wheels and toothed rings. 10 Cooled casting mold and heat-treated.</p> |
