ferrite nodular iron

The quality control of cored-wire injection process used for production of as-cast ferrite nodular iron was described.

介绍用喂线球化工艺生产 优质铸态铁素体球墨 铸铁的质量控制要点。

The selection of chemical composition of ferrite nodular iron used under low temperature, the control plan of nodularization, inoculation technology and heat treatment technique were studied.

研究了低温用铁素体球铁化学成分的选择、球化及孕育工艺的控制以及热处理方案的制定原则，从而确定了低温用铁素体球铁的合理生产方案。

The foundry method design of a nodular iron reductor housing with ferrite matrix was de-scribed.

介绍了铁素体基体球铁减速器壳体的铸造工艺设计。