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