Case hardening

Carburizing or “case hardening” involves the diffusion of carbon into the surface of low carbon steel components at a temperature between 850°C and 950°C. Carburizing or case hardening of steel takes place with the use of a gas with a special chemical composition to ensure a carbon enriched surface. The steel will acquire increased hardness during the hardening and tempering treatment. These processes provide the surface with the necessary hardness and wear resistance and ensure that the core has satisfactory toughness and fatigue resistance.