Casting-gray iron

Gray iron is one of the widely. used casting materials.

灰铸铁是目前广泛使用的铸造材料。

Based on production practice, the continuous casting process of high phosphorus gray iron bar sections and their structures as well as properties was investigated.

通过生产实践，探索了高磷连铸灰铸铁型材生产工艺及组织性能特点。

When saying these words, Yihe was looking iron gray, eyes casting down.

说这些话时，一禾面色铁灰，眼帘低垂。