标准号:DIN EN ISO 4957-2001
中文标准名称:工具钢
英文标准名称:Tool steels (ISO 4957:1999); German version EN ISO 4957:1999
标准类型:H40
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:H40
国际标准分类号:77.140.35
适用范围:The document covers unalloyed cold-work tool steels, alloyed cold-work tool steels, alloyed hot-work tool steels and high-speed steels.