Case hardening

The case hardening process is used whenever the core of the element is to be ductile while also having a hard, wear-resistant surface. For this purpose, a carburizing steel element is carburized in the edge area and then cooled, i.e. hardened. Diffusion hardening usually takes place at temperatures ranging from 880 to 980°C in a carbon-containing atmosphere, whereby the surface of the element is enriched with carbon due to diffusion. After carburizing, the element is hardened in oil, water or special polymer solutions. As a result, the hardness of the carburized area increases significantly. Standard case hardening depths are from 0.1 to 2.5 mm, but our portfolio includes extreme case hardening depths above 6.0 mm

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