Vacuum Heat Treating
  • Hardening (nitrogen quench)
  • Vacuum Tempering
  • Vacuum Annealing
  • Vacuum Stress Relieving
  • Vacuum Solution
  • Treatment
  • Vacuum Precipitation
  • Hardening
Controlled Atmosphere Heat Treating
  • Oil Hardening
  • Carbon Nitriding
  • Carburizing
Black Oxide Services
Open Air Stress Relieving and Normalizing
Cryogenic (Deep Freezing) Services
Other Services
  • Technical Advisory & Support Services
  • Straightening
  • Sand & Bead Blasting
  • Flame Hardening
  • Hardness Testing
  • Certifications
 

  Circle City Heat Treating, Inc.

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