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Situated at the heart of Belgium NTTB - Nemotherm Traitement Thermique Belge is the specialist in heat treatments of steel and non-ferro products. Our company was founded in 1976 and is one of the leading service heat treaters. 

Our competency has led to customers from a wider area knowing us, always entrusting their products and being advised by us in the choice of material and the associated heat treatment. The right choice of material in combination with the correct heat treatment makes an essential contribution to the strength, wear resistance and / or lifetime of the product. Our goal is to build up a long time relationship with our customers, and to meet the ever changing higher demands to your products we are certified to the following quality standards.

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What we do

From high to low alloys, from large to small parts,


With a great diversity of heat treatment technologies and services like blasting, cleaning, cryogenic, and shrinking we service customers from all over the Industry like Aerospace, Defense, Nuclear, Agriculture, Machine building, Railway, Automotive and other Industries in a most wide area. We believe that in an ever changing market it is important to deliver best technical support, highest quality and proactive communication to our customers. To be and stay the best we are continuously working on improvements with strong focus on new investments.

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Our Processes

Flame Hardening

Flame Hardening