本文就模具钢的发展,简要介绍和分析了国内外的生产情况和品种系列化的变革,同时就长钢的生产工艺及品种规格的开发做了部分描述. In this paper, the development of mold steel, a brief introduction and analysis of domestic and foreign production and serialization of varieties of change, at the same time on the long steel production technology and product specifications to do some of the description.