HTR Ltd.
Hardening technology HTR GmbH
Hardening process
Individual hardening processes for the highest material quality - precisely tailored to your requirements and areas of application.
At our subsidiary HTR, state-of-the-art hardening processes are at the heart of our work. Through targeted heat treatment, we change the properties of metals to make them more resistant, durable and resilient. Whether case hardening, inductive hardening, tempering or annealing - each process is tailored precisely to the requirements of our customers. In this way, we guarantee the highest quality, dimensional accuracy and process reliability for a wide range of industries and applications.
Hardening
Hardening is a heat treatment process used to increase the hardness and strength of metals such as steel.
Nitriding
Nitriding is a thermochemical process in which nitrogen diffuses into the surface of a metal workpiece to improve its mechanical and physical properties.
Deep freezing
During deep-freezing, the steel is cooled to a temperature of -70°C to -150°C after hardening, which causes the retained austenite to be transformed into martensite.
Annealing
During annealing, the metal is heated to a certain temperature and then cooled in a controlled manner.
Special procedure
Vacuum brazing, straightening, shrinking, tempering, magnetic particle crack detection and straightening with a straightening press are special processes at HTR GmbH.
Core competencies
Speed
Quality assurance
Knowledge transfer
Pick-up and delivery service
Hardness expert for 25 years
We have stood for the highest quality in heat treatment for 25 years. Over 1000 companies from a wide range of industries trust in our experience, precision and reliability. Our continuous growth shows: Highest speed and uncompromising quality standards are not mutually exclusive with us.
Make a non-binding inquiry now and receive an individual offer - fast, direct and tailored to your requirements!
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Current topics of the HTR
We keep you up to date: Find out more about our latest innovations, ongoing projects and exciting developments relating to hardening processes, digitalization and sustainability. In our blog, we share practical insights, background knowledge and news that are relevant to you and your industry.
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For your project!
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If you have any questions or require further information, you can also contact us directly by e-mail or telephone.


