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Carbonitriding

what is carbonitriding?
the process
fields of application
groundbreaking industries
locations & contact

what is carbonitriding?

Carbonitriding is a thermo-chemical process. Within the framework of this process, the surface layer of components is enriched with carbon and nitrogen, in order to improve the mechanical properties of the component surface layer. For this process, there are various furnace technologies, such as chamber furnaces and continuous furnaces.

the process

As a rule, carbonitriding comprises three working steps. In the first step, the workpieces are exposed to a carbon and nitrogen rich environment at a temperature of 750 to 900 °C. In the second step, the quenching takes place after the workpiece was exposed to the target temperature for a certain time. The third step, the tempering treatment serves essentially to relieve the highest stresses in the material structure and to reduce sensitivity to grinding cracks.

fields of application

Carbonitriding results in a very hard case of the component. Specifically, this is useful in the case hardening of gears and similar components which are subject to a great deal of wear in hostile environments. This heat treatment process is especially useful if there is a requirement for a hard, wear resistant surface, overlying a much softer and tougher core. A good example for its application is a gear wheel. The surface of the teeth needs to be extremely hard so that they can withstand constant metal-to-metal contact, without undue wear. The underlying material needs to be tough so that the teeth can tolerate occasional impact loads, without the risk of fracture. 

Carbonitriding is used to give a hard case onto the cheapest steels which are often not capable of being case hardened because of their chemical composition. The carbonitriding process is applied to low carbon and mild steels and results in less distortion than traditional carburizing techniques.

groundbreaking industries we serve

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process locations

get in touch

Any questions? Contact us directly or select a process location near you.

heat treatment
heat treatment
Cheltenham
United Kingdom
51.8992108-2.1611187 info.cheltenham@hauckht.com +44 1452 712023 show location
heat treatment
Värnamo
Sweden
57.176705814.0107878 info.nordic@aalberts-st.com +46 370 69 09 90 show location
heat treatment
Venlo (Lomm)
the Netherlands
51.44642316.1786697 info.venlo@aalberts-st.com +31 77 308 1333 show location
heat treatment
Vermondans
France
47.38966236.7607384 info.vermondans@aalberts-st.com +33 381 9645 85 show location
heat treatment
Werther
Germany
52.085558.42509 info.werther@aalberts-st.com +49 5203 97405 show location
heat treatment
Remscheid
Germany
51.22193897.2353813 info.remscheid@aalberts-st.com +49 2191 56200 show location
heat treatment
Soudan
France
47.7059027-1.3208699 info.soudan@aalberts-st.com +33 228040600 show location
heat treatment
Gaildorf
Germany
49.01621959.7588191 info.gaildorf@aalberts-st.com +49 7971 96980 show location
heat treatment
Kehl
Germany
48.500157.82006 info.kehl@aalberts-st.com +49 7854 96470 show location
heat treatment
Laupheim
Germany
48.229769.83458 info.laupheim@aalberts-st.com +49 7392 70960 show location
heat treatment
Amboise
France
47.41544421.0245775 info.amboise@aalberts-st.com +33 247 2374 74 show location
heat treatment
Dunningen
Germany
48.2249668.5003521 info.dunningen@aalberts-st.com +49 7403 92907-0 show location
heat treatment
Dzierżoniów
Poland
50.732931316.6280222 info.dzierzoniow@aalberts-st.com +48 515 739 056 show location
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