JBT 8431-1996 热锻成形模具钢和其热处理 技术条件.pdfVIP

J 46 JB/T 8431 －96 热锻成形模具钢及其热处理 技 术 条 件 1996-09-03 发布 1997-07-01 实施 中华人民共和国机械工业部 发 布 JB/T 8431－96 目 次 前言 1 范围····················································································································································································································1 2 引用标准·········································································································································································································1 3 分类····················································································································································································································1 4 热锻成形模具钢技术条件·····································································································································································2 5 热锻成形模具钢热处理技术条件·····················································································································································3 6 热锻成形模具钢的选材原则·······························································································································································4 附录 A （标准的附录） 几种新型热锻成形模具钢常用基本参数···················································································5 附录 B （提示的附录） 常用热锻成形模具钢的性能比较·································································································12 附录 C （提示的附录） 不同类型热锻成形模具钢应具备的性能及选材··································································14