Gas Nitrocarburising for excellent hardening and tempering 

Nitrocarburising differs from Nitriding surface engineering simply by the addition of the element Carbon (from a suitable carbon containing gas such as Endogas) during the process. The compound layer formed is generally thicker, more corrosion resistant and often takes the form of Epsilon Iron Nitride. 
Nitrocarburising is more commonly applied to low allow steels, mild steels and cast irons, but can equally be applied to any steel which is thermally stable at the treatment temperatures. 

Among other surface engineering technologies we use, one special Nitrocarburising treatment 
Aalberts Surface Technologies provide is the Nitrotec® process from its site in Birmingham. This is a Nitrocarburising plus oxidation treatment to provide superb surface properties to medium carbon steels. Detailed information on Nitrotec® Is found under the treatments section. 

Our plants in Luton, Letchworth and Blackburn offer the 
Nitemper process which is carried out in a sealed quench furnace. Short treatment times at around 570°C followed by oil quenching enhances both surface and core properties of most steels. Nitemper is an excellent process providing an increase in surface hardness and wear resistance to steels at low cost. 

Tufftride® salt bath process also falls under the banner of Nitrocarburising. 

There are many different methods of Nitrocarburising, each offering advantages and benefits over the others. To choose the optimum treatment in terms of properties, and cost for your application please call us for advice.


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Registered Address.: Aalberts Surface Technologies Heat Ltd, Blackhorse Road, Letchworth. SG6 1HD 

Tel: 01462 472147