Cast Steel, Bronze, Iron and Alloy Valves.

铸钢，青铜，铸铁和合金阀门。

Cast Steel Valves Hammerblow Handwheel, Seat Rings, Wedges.

铸钢阀门锤击手轮，阀座环，楔形闸板。

Strong, using lock made with cast steel integration technique.

锁体采用铸钢一体化制造工艺，结构紧凑，高强度。

Grey cast iron, nodular cast iron, cast steel, stainless steel.

灰铸铁，球墨铸铁，铸钢，阀体不锈钢。

A new cast steel materials with spheroidal graphite has been studied.

文中研究的是球状石墨铸钢新材料。