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专利名称：Mold steel发明人：Mikko Kumpula申请号：US09857351申请日：20010817公开号：US06561258B1公开日：20030513
摘要：A maraging steel for use as a mold steel is disclosed. In general, the use ofmaraging steels in molds is limited by the fact that the martensitic microstructure is notstable at temperatures above 480° C. The precipitate hardening maraging type steelaccording to the invention contains titanium, molybdenum, cobalt, chromium and nickeland has, in addition to high strength, good ductility, small thermal expansion coefficientand good thermal conductivity, a significantly better thermal stability than othermaraging steels, which makes it suitable for use as a mold material particularly inpressure casting.
申请人：METSO POWDERMET OY
代理机构：Burns, Doane, Swecker & Mathis, L.L.P.
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