Technical Summary
- Category: High Alloy Tool Steel
- Manufacturer: Hitachi Metals
- Process: PM
- Ratings: Toughness 2, Edge 8, Corrosion 5
- HRC Range: 64-67
Source attribution: Knife Steel Nerds and SteelHardnessLab.
High Alloy Tool Steel / Hitachi Metals
ZDP-189
Toughness 2/10, Edge Retention 8/10, Corrosion Resistance 5/10. Target hardness range: 64-67 HRC.
Chemical Composition
| C | 3.0% |
|---|---|
| Cr | 20.0% |
| Mo | 1.4% |
SteelHardnessLab Testing Data
Testing recognition: u/679696 and u/Skylark427.
| Manufacturer | Samples | Avg HRC |
|---|---|---|
| Spyderco | 1 | 64.1 |