In the gas nitriding process, ammonia is introduced into a chamber. Under the influence of heat, the ammonia decomposes on the tool surface, which acts as a catalyst. The atomic nitrogen diffuses into the surface.


Areas of application

Automotive industry | Medical technology | Aerospace industry Textile industry | Mechanical engineering | Tool making


Material groups

Low-alloy and alloyed steels up to a maximum Cr content of 5%.

Gas nitriding
heat treatments

  • Gas nitriding
  • Gas nitrocarburizing
  • Oxidizing
  • Combination of gas nitriding or nitrocarburizing with oxidizing



  • Drill holes can be nitrided
  • Nitriding possible on all sides
  • Treatment of bulk materials is possible