Knife steel · Stainless Steel · Premium
440B
Stainless Steel · Hardness 59–65 HRC
Performance Ratings
Edge Retention
Corrosion Resist.
Toughness
Ease to Sharpen
Overall Score
52.2/100
Chemical Composition
Carbon
0.85%
Chromium
17.00%
Molybdenum
0.75%
Best For
Fillet Knives
The 440B is a stainless steel used in knife manufacturing. This steel is classified as Premium tier based on its composition and properties.
Chemical Composition
| Element | Content |
|---|---|
| Carbon | 0.85% |
| Chromium | 17.0% |
| Molybdenum | 0.75% |
| Vanadium | N/A% |
| Tungsten | N/A% |
| Cobalt | N/A% |
| Manganese | N/A% |
| Nickel | N/A% |
| Silicon | N/A% |
Hardness
- Minimum HRC: 59
- Maximum HRC: 65
Performance Ratings
| Metric | Score |
|---|---|
| Edge Retention | 47.0/100 |
| Corrosion Resistance | 57.5/100 |
| Toughness | 49.0/100 |
| Ease of Sharpening | 57.5/100 |
| Overall Score | 52.2/100 |
Best For
This steel is well-suited for: Fillet Knives
About 440B
440B is a stainless steel with excellent properties for knife making. Its composition provides a good balance of edge retention, durability, and workability.
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