Description
Ultra-tough steel with better edge retention than 3V. Extreme performance.
Properties
Edge Retention
Corrosion Resistance
Toughness
Ease of Sharpening
Chemical Composition
C
1.40%
Carbon
Cr
5.25%
Chromium
Mo
3.50%
Molybdenum
V
3.75%
Vanadium
✓ Pros
Better edge retention than 3V while maintaining great toughness.
✗ Cons
Very expensive. Hard to work. Difficult to sharpen.
Grinding Notes
Very hard on belts. High vanadium. Use ceramic.
Polishing Notes
Mirror polish nearly impossible. Satin best.