Technical Summary
- CategoryStainless
- ManufacturerBohler-Uddeholm
- ProcessPM
- HRC Range60-62
Ratings: Toughness 3.5, Edge 6.5, Corrosion 9
Source attribution: Knife Steel Nerds and SteelHardnessLab.
Stainless / Bohler-Uddeholm
M390
Toughness 3.5/10, Edge Retention 6.5/10, Corrosion Resistance 9/10. Target hardness range: 60-62 HRC.
Known aliases: 204P, 20CV, Bohler M390, Bohler M390MK, CPM-20CV, CTS-204P.
Equivalent/related family: CPM-20CV, CTS-204P, 20CV, 204P.
Chemical Composition
| C | 1.9% |
|---|---|
| Cr | 20.0% |
| V | 4.0% |
| Mo | 1.0% |
| W | 0.6% |
SteelHardnessLab Testing Data
Testing recognition: u/679696 and u/Skylark427.
| Manufacturer | Samples | Avg HRC |
|---|---|---|
| Spyderco | 2 | 63.2 |
| Shirogorov | 1 | 62.4 |
| Custom Knife Factory | 2 | 61.8 |
| Penrose | 1 | 61.7 |
| Tac Knives | 1 | 60.9 |
| Remette | 2 | 60.8 |
| Asher Knives | 1 | 60.6 |
| Vero | 1 | 60.5 |
| Kubey | 2 | 60.4 |
| Chaves | 3 | 60.2 |
Heat Treat Data
Austenitize 2140F, quench PLATE, temper 365F.
Equivalent / Related Family
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