What is carburizing? – NABTEB QUESTION

Carburizing is the process of adding carbon to the surface layer of low carbon steel. The Carburize components possess a tough core together with a hard case. There are about three methods of carburizing

i. Surrounding with a carbonaceous material

ii. Immersing in a carbon salt

iii. Exposing to a carbon atmosphere.

The choice of the carburizing method will depend on several factors, which are:

a. Depth of case

b. Size of component

c. Rate of production