1.2379 Die steel is a kind of high-carbon and high-chromium alloy tool steel, which has high hardness and wear resistance after heat treatment, and has strong hardenability and good dimensional stability. Suitable for a variety of cold work applications such as blanking and forming.
1.2379 Chemical composition of die steel
| element | C | Si | Mn | Cr | Mo | V |
| content | 1.5-1.6 | 0.20-0.60 | 0.20-0.45 | 11.0-12.0 | 0.7-1.0 | 0.7-1.0 |
（1）真空脱气精炼处理钢质纯净。
（2）球化退火软化处理，切削加工性能良好。
（3）强化元素钒，钼特殊加入，耐磨性很其优异。
1、适用于要求镜面性或蚀花性好的高性能、精密型注塑模，如IT电子产品零件模具等。
2、汽车车灯、家电外观件等产品零件模具。
3、化妆品盒、食品容器等模具，橡胶模具等。
