440c is a high-carbon martensitic stainless steel designed to provide a combination of high wear resistance and moderate corrosion resistance in average environments. It achieves a hardness close to 60 HRC and offers good edge retention, easy polishing and sharpening, and good edge stability.
Chemical Composition
C | Si | Mn | Cr | Mo |
1.05 | 0.40 | 0.40 | 17.00 | 0.50 |
Hardening
1050°C, soaking time 2 minutes per mm of thickness
Air quenching between aluminum plates.