HEAT TREATMENT

Vacuum hardening Oil hardening

Gas nitriding / nitricarburizing (NITOP^®) Oil hardening Low-pressure gas nitriding (NVAC)

Sub-zero tempering (TEAR) Cryogenic treatment (CRIO) Precipitation hardening Black layer oxidation (OXIMAX^®)

Tempering Stress relieve annealing Soft annealing Normalizing