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Kolsterising is not a coating but a low-temperature surface carbon diffusion treatment that enhances the hardness of an alloy 4-5 times that of the base material. The process adds large concentrations of carbon atoms that form high compressive stresses on the surface.
Kolsterising is a low temperature, thermo-chemical, diffusion-based surface hardening technology that is used to enhance the inherently poor mechanical and tribological properties of austenitic stainless steels, according to Derek Dandy, a medical market development engineer at Bodycote.
It can be used on stainless steels, cobalt and nickel-based alloys, offering hardness and improved mechanical and wear properties without corrosion resistance loss.
![](https://cdn1.npcdn.net/userfiles/22682/image/43d3a2c5a8f86bd3abd929a917bb4ede.png)
Kolsterising is a low temperature, thermo-chemical, diffusion-based surface hardening technology that is used to enhance the inherently poor mechanical and tribological properties of austenitic stainless steels, according to Derek Dandy, a medical market development engineer at Bodycote.
It can be used on stainless steels, cobalt and nickel-based alloys, offering hardness and improved mechanical and wear properties without corrosion resistance loss.
![](https://cdn1.npcdn.net/userfiles/22682/image/43d3a2c5a8f86bd3abd929a917bb4ede.png)