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Combined Shape

low distortion surface hardening treatment

induction hardening

Aalberts surface technologies > processes > induction hardening
what is induction hardening?
the process
fields of application
groundbreaking industries
locations & contact

what is induction hardening?

This involves heating applied rapidly and locally to the steel component followed by fast cooling (quenching). High frequency electric fields quickly heat the surface of the component via inductor coils, which is then quenched using water. This results in a localized hardened layer at the surface. 
Different shaped inductor coils are available and can be made to suit. 

the process

By using a coil-shaped conductor made of copper, induction hardening generates an electromagnetic field into which the material is placed. This creates an electrical voltage in the material itself, which in turn generates heat. As a result, the material receives the necessary hardening temperature. Both warming up time and time at temperature are reached quite quickly. The temperature can be regulated by the current strength on the coil-shaped conductor and by the duration of the power supply.

Induction Hardening offers a cost-effective low distortion surface hardening treatment to steels, particularly large components where an increase in surface hardness is required whilst maintaining core properties. 

We have a hugely comprehensive range of handling equipment, which includes horizontal and vertical fixtures and the ability to manufacture special handling equipment to your individual requirements for small batch or high-volume production.

fields of application

Induction hardening is used for the hardening of surface layers. The microstructure is transformed by induction, for which the material must have a carbon content of at least 0,35%.

This method is used primarily for workpieces that are prone to wear on the surface, as well as for components with a complicated shape. Because advantages of induction hardening are i.a. the possibility of partially harden components in an uncomplicated way and the option of achieving extremely thick layers. In addition, the throughput times for induction hardening are comparatively short. The process requires special know-how and the use of complex tools and systems.

groundbreaking industries we serve

Tool Manufacturing
tool manufacturing
aerospace industry
aerospace
aalberts surface technologies automotive
automotive
medical industry
medical

process locations

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

get in touch
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Blackburn

United Kingdom
53.7642256-2.4548116 info.blackburn@aalberts-st.com +44 1254 264901 show location
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Vermondans

France
47.38966236.7607384 info.vermondans@aalberts-st.com +33 381 9645 85 show location
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Soudan

France
47.7059027-1.3208699 info.soudan@aalberts-st.com +33 228040600 show location
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Thyez

France
46.07632076.5266973 info.thyez@aalberts-st.com +33 450 3463 98 show location
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Dunningen

Germany
48.2249668.5003521 info.dunningen@aalberts-st.com +49 7403 92907-0 show location
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