Different kinds of Heat Treatments Given to Carbon Steels

Kinds of Heat Treatments Given to Carbon Steels

Carbon steels are subjected to the following basic heat-treatment processes:

1. Annealing,
2. Normalising,
3. Hardening,
4. Tempering,
5. Surface hardening,
6. Case hardening, and 
7. Ageing. 

Each of them has a number of varieties. We shall now describe these processes in the next posts.