Heat treatments

Pronexos has 50 years of experience in providing heat treatments. Our vacuum furnaces enable us to offer a complete portfolio of heat treatments and brazing, including high vacuum brazing and annealing. Where customers have a specific requirement for heat treatment, we can offer:

  • Highly experienced personnel with decades of experience in heat treatment and related processes
  • Our own materials laboratory for testing and development of materials
  • Significant engineering capability and expertise
  • An advanced research and development department that can address specific issues or developments

For decades, our furnaces have been heat treating a wide range of materials and products. Pronexos has three vacuum and two atmospheric pressure furnaces – this enables us to offer a complete portfolio of heat treatments and brazing, including:

  • Vacuum brazing
  • Annealing
  • Age hardening
  • Tempering
  • Bluing (steam)
  • Quenching with noble gas up to 12 bar

Pronexos has a rigorous internal quality assurance system to control and check all processes. We offer proven traceability and conform to the highest international standards including Nadcap according to AMS 2750E and EN 9100. Our specialists operate under controlled clean room conditions to optimise material quality. Pronexos is able to offer Class 2 ovens that are Nadcap accredited, short cycle times and maximum traceability heat treatments again under full Nadcap accreditation, required for high-end products.


Heat treatments

Temperature ranges Cooling down speeds
Vacuum: maximum 1,200°C +/- 5°C Vacuum: 15°C per min
Atmospheric: maximum 600°C +/- 5°C Atmospheric: 10°C per min
Maximum product weight: 1000kg

Ø 1000 x 1700 mm    □ 610 x 610 x 914 mm

Inert gases (argon, nitrogen)

For more information, download our heat treatment and brazing brochure.



Frank Wissink

Get in touch with our sales team to enquire about any of our products.

+31 (0) 54654 4030