Knife steel · Tool Steel · Ultra-Premium
K390
Tool Steel · Hardness 65–71 HRC
Performance Ratings
Edge Retention
Corrosion Resist.
Toughness
Ease to Sharpen
Overall Score
41.8/100
Chemical Composition
Carbon
2.50%
Chromium
4.00%
Molybdenum
4.00%
Vanadium
9.00%
Best For
Hunting Knives
The K390 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 | 2.5% |
| Chromium | 4.0% |
| Molybdenum | 4.0% |
| Vanadium | 9.0% |
| Tungsten | N/A% |
| Cobalt | N/A% |
| Manganese | N/A% |
| Nickel | N/A% |
| Silicon | N/A% |
Hardness
- Minimum HRC: 65
- Maximum HRC: 71
Performance Ratings
| Metric | Score |
|---|---|
| Edge Retention | 80.0/100 |
| Corrosion Resistance | 22.0/100 |
| Toughness | 31.0/100 |
| Ease of Sharpening | 22.5/100 |
| Overall Score | 41.8/100 |
Best For
This steel is well-suited for: Hunting Knives
About K390
K390 is a tool steel with excellent properties for knife making. Its composition provides a good balance of edge retention, durability, and workability.
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