Grade
| Grade | Density g/cm³ | Hardness (HRA) | TRS N/mm² | Application |
|---|---|---|---|---|
| YG11 | 14.45 | 88 | 2400 | It is suitable for making precision punching punches and dies, suitable for punching copper and aluminum materials. |
| YG15 | 14.05 | 87.1 | 2700 | It is suitable for making various types of motors and electronic progressive dies, concave dies and convex dies, with good versatility. |
| YG20 | 13.55 | 85.0 | 2800 | Suitable for making concave and convex dies for progressive dies of motors with large impact loads. |
| YL10.2 | 14.45 | 91.5 1600(HV3) | 2400 | It is suitable for the production of low and medium speed electronic progressive dies, concave and convex dies, and suitable for stamping of copper and aluminum sheets. |
| YFD35 | 14.3 | ≥92.5 1750(HV3) | 3200 | It is suitable for the production of medium and high speed electronic progressive die punches, and is suitable for copper foil and aluminum foil stamping. |
| ST20 | 14.45 | 91.5 | 2800 | It can perfectly solve the problem of surface corrosion of materials during processing, and the electrical processing performance is better than the fine-grained and submicron-grained alloys with the same hardness index. Suitable for the production of medium and high-speed electronic progressive dies,and suitable for stamping of copper and aluminum sheets . |
| ST30 | 14.15 | 89.7 | 3200 | It resists corrosion during machining and has good processing corrosion resistance. It is suitable for the production of electrical and electronic progressive dies made of copper, aluminum, pure iron, and silicon steel sheets. The use performance is better than medium and fine-grained grades, and have good versatility. |
| ST50 | 13.9 | 88.5 | 3200 | It can perfectly solve the problem of material surface corrosion during the process , and has good processing corrosion resistance. It is suitable for the production of convex and concave dies of motor progressive dies made of cold rolled plates and silicon steel sheets, and has good versatility . |
| ST40 | 13.4 | 86.2 | 3000 | It is used for thick plate punching under large impact load conditions, and is suitable for the production of progressive die with complex shapes and composite dies. |
| ST40 | 13.95 | 89.5 | 3600 | Used in the stamping of hardware parts, the processing of motor rotors, and silicon steel sheets. |
