Knife steel · Tool Steel · Ultra-Premium
CPM-M4
Tool Steel · Hardness 62–68 HRC
Performance Ratings
Edge Retention
Corrosion Resist.
Toughness
Ease to Sharpen
Overall Score
44.9/100
Chemical Composition
Carbon
1.40%
Chromium
4.00%
Molybdenum
5.25%
Vanadium
4.00%
Best For
EDC
Hunting Knives
The CPM-M4 is a tool steel used in knife manufacturing. This steel is classified as Ultra-Premium tier based on its composition and properties.
Chemical Composition
| Element | Content |
|---|---|
| Carbon | 1.4% |
| Chromium | 4.0% |
| Molybdenum | 5.25% |
| Vanadium | 4.0% |
| Tungsten | N/A% |
| Cobalt | N/A% |
| Manganese | N/A% |
| Nickel | N/A% |
| Silicon | N/A% |
Hardness
- Minimum HRC: 62
- Maximum HRC: 68
Performance Ratings
| Metric | Score |
|---|---|
| Edge Retention | 78.0/100 |
| Corrosion Resistance | 22.0/100 |
| Toughness | 40.0/100 |
| Ease of Sharpening | 30.0/100 |
| Overall Score | 44.9/100 |
Best For
This steel is well-suited for: EDC, Hunting Knives
About CPM-M4
CPM-M4 is a tool steel with excellent properties for knife making. Its composition provides a good balance of edge retention, durability, and workability.
Similar Steels
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