结晶器用钢(The experience of many years and the close cooperation between steel producers and consumers have led to the development of mold steels that can be divided into the following groups: nitriding steels, case-hardened steels, prehardening steels, fully hardening steels, corrosion-resistant steels and maraging steels. 依靠多年经验和钢厂与用户的密切合作，现已研发出的模具钢可分为以下类型：氮化钢、表面硬化钢、预硬化钢、全硬淬透钢、耐蚀钢及马氏体时效钢等。)
