CPM CruWear knife steel
CPM CruWear is a powder-metallurgy (PM) tool & high-speed knife steel, typically hardened to HRC 60-64.
| Type | Tool & high-speed · powder metallurgy |
|---|---|
| Hardness | HRC 60-64 |
| Edge retention | highhigher than 19 of 48, tied with 17 |
| Corrosion resistance | mediumhigher than 15 of 48, tied with 6 |
| Toughness | very-highhigher than 40 of 48, tied with 8 |
| Ease of sharpening | hard to sharpenamong the hardest to sharpen of 49 |
| Price tier | Premium |
| Best for | Hard-use / survivalEDC / foldersOutdoor / bushcraft |
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Knives in CPM CruWear
Spyderco Manix 2 Folding Knife, 3.37 in CPM Cru-Wear, C101GPFGBK2
Zero Tolerance 0004, ZT Original Design, Full Tang Fixed Blade Knife, 
Spyderco Stretch 2 XL Folding Pocket Knife with 3" CPM Cru-Wear Steel
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Compared with
Similar tool & high-speed steels
| Steel | Type | HRC | Edge | Corrosion | Toughness | Tier | Buy |
|---|---|---|---|---|---|---|---|
| O1 | Tool & high-speed | 57-62 | medium | low | high | Budget | Knives → |
| A2 | Tool & high-speed | 60-62 | high | low | very high | Mid | Knives → |
| D2 | Tool & high-speed | 58-62 | high | medium | medium | Mid | Knives → |
| CPM-3V PM | Tool & high-speed | 58-62 | high | medium | very high | Premium | Knives → |
| CPM-4V PM | Tool & high-speed | 60-64 | high | low | very high | Premium | Knives → |
| Vanadis 4 Extra PM | Tool & high-speed | 60-63 | high | low | very high | Premium | Knives → |
All tool & high-speed steels · every steel · best for a purpose