VACUUM TEMPERING - Nitrex
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- VACUUM TEMPERING -

VACUUM TEMPERING

Vacuum Tempering is almost always required after hardening, both in an atmosphere furnace as well as in vacuum, to reduce the hardness and brittleness of the treated material to a desirable level.

Generally, it is not necessary to use vacuum tempering after vacuum hardening, i.e., conventional tempering is most of the time used. Vacuum tempering may be used on high-value products when a totally clean surface appearance is required.

The expression “vacuum tempering” is used here to differentiate the process from “conventional tempering”.

BENEFITS

  • Reduces the stress after quenching
  • Reduces the brittleness generated by only hardening/quenching
  • Increases material toughness
  • Precise control of the hardness level

 

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