| Metric | D2 | 4V |
|---|---|---|
| Toughness | 3.5 | 7 |
| Edge Retention | 5 | 5 |
| Corrosion Resistance | 4.5 | 4 |
| Avg/Target HRC | 59.8 | 63.9 |
| Manufacturer | Various | Crucible Industries |
| Category | High Alloy Tool Steel | High Alloy Tool Steel |
D2 vs 4V
D2 vs 4V knife steel comparison using sourced ratings and hardness data from Knife Steel Nerds and SteelHardnessLab.
Quick Take
- Toughness: 4V leads (7/10 vs 3.5/10 for D2).
- Edge retention: tie (5/10 each).
- Corrosion resistance: D2 leads (4.5/10 vs 4/10 for 4V).
Also searched as: 4V (CPM 4V, CPM-4V)
FAQ
Is D2 better than 4V overall?
Toughness: 4V leads (7/10 vs 3.5/10 for D2). Edge retention: tie (5/10 each). Corrosion resistance: D2 leads (4.5/10 vs 4/10 for 4V).
Where do these values come from?
Ratings are attributed to Knife Steel Nerds; hardness measurements are attributed to SteelHardnessLab testing by u/679696 and u/Skylark427.