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Salt Bath Nitrocarburise (Tufftride)

Salt bath Nitrocarburising is a thermo-chemical surface treatment  carried out in molten salt at a temperature of 580oC. The process is often followed by a further oxidation treatment in a caustic molten salt bath to give components the characteristic black finish which is also very corrosion resistant. TufftrideTM is the trade name of Durferrit for their salt bath Nitrocarburising process.

Advantages & Properties

Disadvantages and limitations


Most engineering components that suffer from wear, corrosion, seizure or galling. Typical components would be:

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