Technical Summary
- CategoryStainless
- ManufacturerBohler-Uddeholm
- ProcessIngot
- HRC Range58-61
Ratings: Toughness 3.5, Edge 4.5, Corrosion 8
Source attribution: Knife Steel Nerds and SteelHardnessLab.
Stainless / Bohler-Uddeholm
N690
Toughness 3.5/10, Edge Retention 4.5/10, Corrosion Resistance 8/10. Target hardness range: 58-61 HRC.
Known aliases: Bohler N690.
Chemical Composition
| C | 1.07% |
|---|---|
| Cr | 17.3% |
| V | 0.1% |
| Mo | 1.1% |
| Co | 1.5% |
SteelHardnessLab Testing Data
Testing recognition: u/679696 and u/Skylark427.
| Manufacturer | Samples | Avg HRC |
|---|---|---|
| GiantMouse | 1 | 60.0 |
| TOPS | 1 | 59.4 |
| Kizer | 3 | 57.8 |
Heat Treat Data
Austenitize 1940F, quench PLATE, temper 175F.
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