HÄRTEREI HTR GMBH
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Over 25 years of expertise in industrial heat treatment at the highest level
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Perfect hardness, dimensionally stable, wear-resistant, and reproducible
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From one-off items to mass production—we have state-of-the-art equipment for any quantity
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Deformation-resistant and reliable thanks to precise process control
Our Hardening Processes
As one of the leadingheat treatment facilities, we are your reliable partner forindustrial heat treatment. For over 25 years,we have been heat treating steel and other metalsusing state-of-the-art processes—ensuring dimensional accuracy, wear resistance, and reproducibility. Whether for individual parts or series production, we combine expertise, state-of-the-art equipment, and process control to ensure the highest quality in hardening and resistance to warping.
Hardening
- vacuum hardening
- Protective gas hardening
- induction hardening
Nitriding
- gas nitriding
- Plasma nitriding
- Salt bath nitriding
Deep freezing
Annealing
- Soft annealing
- Stress-relief annealing
HTR in NUMBERS
We stand for expertise, growth, and innovation. As a reliable partner to industry, we develop forward-looking solutions in heat treatment and continuously invest in state-of-the-art technologies, the highest quality standards, and sustainable processes. Our strong market position is based on decades of experience, technical expertise, and the trust of our customers. Key figures that speak for themselves and underscore our claim to be one of the industry’s leading providers.
Customers
Order items
Attachments
countries
Our CORE COMPETENCIES
48-hour service
Thanks to our unique organizational structure and customer-focused flexibility, we have been delivering top-quality hardened parts in record time for over 25 years.
Quality assurance
With a state-of-the-art control system, we keep an eye on all important parameters at all times and ensure that only flawless products are delivered.
Pick-up and delivery service
As part of our worry-free service package, our company-owned transport fleet enables daily pickups and deliveries in the central region of Upper Austria.
Knowledge transfer
In customized seminars, you will learn which combination of materials and hardening processes can reduce the costs of your project while achieving optimal component properties.
PICKUP & DELIVERY SERVICE
1,000,000 km/year
OUR INDUSTRIES
Automotive industry
Aerospace
Medical technology
Tool and Machine Manufacturing
Quality control at the highest level
At HTR, every batch is continuously monitored and documented—from temperature and pressure through to final approval. State-of-the-art testing and analytical equipment enables precise hardness, microstructure, and material analyses. Combined with non-destructive testing methods and mobile spectral analysis, we reliably ensure the quality of your components. To ensure maximum transparency, all results are directly assigned to the respective order. Our certifications under ISO 9001, ISO 14001, and ISO 45001 stand for the highest quality standards, sustainable practices, and safe processes.
CAREERS
We are proud of our employees, whose dedication makes our shared success possible. The Development of individual skills through further training and team development plays an important role for us. As part of the RICO Group , we also offer our apprentices special benefits.
LATEST NEWS
Why delay is often more expensive than the heat treatment itself
Energy Efficiency in Heat Treatment
A Look Behind the Scenes: A Visit by "Karriere & Macher" to HTR GmbH
The Role of Heat Treatment in the Automotive Industry
The Effect of Plasma in the Hardening Process
