Technical Summary
- Category: High Alloy Tool Steel
- Manufacturer: Various
- Process: Unknown
- Ratings: Toughness 6.5, Edge 6, Corrosion 4
- HRC Range: 62-65
Source attribution: Knife Steel Nerds and SteelHardnessLab.
High Alloy Tool Steel / Various
CPM-M4
Toughness 6.5/10, Edge Retention 6/10, Corrosion Resistance 4/10. Target hardness range: 62-65 HRC.
Chemical Composition
| Composition data unavailable. |
SteelHardnessLab Testing Data
Testing recognition: u/679696 and u/Skylark427.
| Manufacturer | Samples | Avg HRC |
|---|---|---|
| Spyderco | 3 | 63.4 |