The Vacuum temper is a thermic treatment implying multifunctional tempering (according to which steel is being treated). It is operated in vacuum-sealing ovens (10ˉ³) and the tempering agent is pressurised nitrogen up to10 bar.
- Increase of superficial hardness;
- Minimal deformation.
Treatment to the core.
The product appears neat and without oxidation
- Nitriding steels;
- Stainless steel;
- Super-fast steel