Surface Engineering & Heat Treatment Specialists

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Head Office: TTI Group Ltd, 39-43 Bilton Way, Luton, Bedfordshire, LU1 1UU, UK

Plasma Nitriding

We have extensive facilities located in Telford at our primary Nitriding plant, with additional facilities at our sites in Birmingham and Letchworth. Through our responsive transport network, we provide coverage to the whole of the UK.  

Nitriding is a low temperature heat treatment process that diffuses Nitrogen into the surface of a metal to create a hard surface layer. Additional important properties are also achieved including higher corrosion and abrasion resistance plus improved fatigue strength. As the process is carried out within a nitrogen rich atmosphere at relatively low temperatures without the need to quench, parts remain 'clean' and 'distortion free'.

We offer several levels of service, depending on your requirements, to help you achieve a processing solution best suited to your needs

Nitriding from specialist metallurgists
With a wide variety of furnaces available, we are capable of handling a comprehensive range of product and batch size, from small series through to 10 Tonnes in weight, and sizes up to 3.5m long by 1.6m diameter. Our staff are expert in advising the characteristics achievable from all material types, from low alloy steels to high quality grade stainless steels and Inconel alloys.
Controlled Gas Nitriding
Gas Nitriding