Iron Nitride

A composite material formed by diffusing nitrogen into iron's surface, boasting a surface hardness of Hv 1000 or more while preserving iron's toughness inside. A behind-the-scenes warrior supporting a wide range of industries including engine component nitriding, magnetic recording media (Fe₁₆N₂), and tool hardening. A one-of-a-kind entity embodying the duality of hardness and flexibility.