O1
ToolHardness
57-61 HRC
Oil-hardening tool steel, popular among custom knife makers.
Performance Ratings
Edge Retention
5/10
Corrosion Resistance
2/10
Toughness
6/10
Ease of Sharpening
8/10
Wear Resistance
4/10
Chemical Composition
0.95%
Carbon
0.5%
Chromium