CPM Maxamet knife steel
CPM Maxamet is a powder-metallurgy (PM) tool & high-speed knife steel, typically hardened to HRC 64-68.
| Type | Tool & high-speed · powder metallurgy |
|---|---|
| Hardness | HRC 64-68 |
| Edge retention | extremehigher than 43 of 48, tied with 5 |
| Corrosion resistance | lowamong the lowest of 49 |
| Toughness | lowamong the lowest of 49 |
| Ease of sharpening | hard to sharpenamong the hardest to sharpen of 49 |
| Price tier | Super / high-end |
| Best for | EDC / folders |
CPM Maxamet chemical composition
| C | Cr | V | W | Co |
|---|---|---|---|---|
| 2.15 | 4.75 | 6 | 13 | 10 |
Nominal weight %. Source: Carpenter alloy finder. What the alloying adds: vanadium (6%) gives hard vanadium carbides, the main source of wear resistance; tungsten (13%) gives hard tungsten carbides that keep their hardness when hot; cobalt (10%) gives a stronger matrix, as in high-speed steels.
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Knives in CPM Maxamet
Spyderco Native 5 Lightweight Maxamet Folding Pocket Knife, PlainEdge- Spyderco Para 3 Maxamet Folding Pocket Knife, PlainEdge
- Spyderco Manix 2 Lightweight Folding Knife - Grey FRN Handle, PlainEdg
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Similar tool & high-speed steels
| Steel | Type | HRC | Edge | Corrosion | Toughness | Tier | Buy |
|---|---|---|---|---|---|---|---|
| Böhler K390 PM | Tool & high-speed | 62-65 | extreme | low | medium | Super / high-end | Shop → |
| CPM REX 45 PM | Tool & high-speed | 62-66 | extreme | low | medium | Super / high-end | Shop → |
| CPM-10V PM | Tool & high-speed | 60-64 | extreme | low | medium | Super / high-end | Shop → |
All tool & high-speed steels · every steel · best for a purpose