Heat treatment processes for steel parts
| Process | Temperature | Cooling | Result |
|---|---|---|---|
| Annealing | 800-900C | Slow furnace cool | Soft, stress relieved |
| Normalizing | 800-900C | Air cool | Uniform grain structure |
| Quenching | 800-900C | Oil/Water quench | Hard, brittle |
| Tempering | 150-650C | Air cool | Tough (reduces brittleness) |
Carburizing: 0.1-2.0 mm case depth. Nitriding: 0.1-0.5 mm. Induction hardening: selective surface hardening for specific areas.