Cryogenic Treatment
The cryogenic treatment provides additional hardening after induction hardening and is used to provide:
- a more uniformly hardened surface (without soft zones or pitting); and
- greater hardness and wear resistance of the material.
Why Use a Cryogenic Chamber?
The cryogenic chamber is designed to improve the quality of the hardened layer. The rolls are cooled with liquid nitrogen through the use of nozzles and fans, reaching a cryogenic temperature of -150°C.
The cryogenic treatment offers several advantages:
- Completion of the transformation of the austenitic microstructure of steel into a stronger and harder martensitic structure.
- Achievement of a more uniform distribution of martensite.
- Attainment of an evenly hardened surface, without soft zones and pitting.
- Increase in material hardness, yielding an additional +2 HRC.
- Enhanced resistance of the material to wear.
Types of Products
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