可锻铸铁。球墨铸铁。

Smithing cast iron. Nodular cast iron.

链条导轨是可锻铸铁。

The chain guide is malleable iron.

耐热球墨可锻铸铁是一种新型的耐热铸铁。

Heat resisting nodular malleable cast iron is a new kind of heat resistant cast iron.

链轮是由铸铁制成，链条则是由可锻铸铁制成。

Sprocket rim made from cast iron, chain guide is malleable iron.

研究了SG变质剂对可锻铸铁石墨化退火的影响。

The influence of SG inoculant on graphitizing annealing of malleable cast iron was investigated.