Carburizing

Introducing carbon into a solid ferrous alloy by holding above Ac1 in contact with a suitable carbonaceous material, which may be a solid, liquid, or gas. The carburized alloy is usually quench hardened. This process is typically applied to low carbon steel parts after machining as well as high alloy steel bearings, gears and similar components.

The key difference between carburizing and carbontriding is that the former hardens a steel surface using carbon, whereas the latter hardens a steel surface with both carbon and nitrogen.

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