Circle City Heat Treating Incorporated

Central Indiana’s Premier Specialty Heat Treater Since 1952

WHY USE CIRCLE CITY HEAT TREATING?

  • Central Indiana’s premier specialty heat treater since 1952
  • Long standing reputation for outstanding quality and extraordinary customer service
  • Trained professionals with over 100 years of collective heat treating experience
  • Superior technical advisory and support services
  • State of the art facility, equipment and controls
  • Unmatched operating capacity
  • Customers gain the benefit of over five decades of heat treating innovation

SERVICES

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

 

OUR CUSTOMERS

  • Tool & Die Makers
  • Mold Shops
  • Engineering and Machine Companies
  • Industries:
    • Automotive
    • Aerospace
    • Auto Racing and Motorsports
    • Medical
    • General Manufacturing
    • All Steels, Aluminum, Copper and Brass

OUR INDUSTRY AFFILIATIONS

  • Member of Metal Treating Institute
  • Member of ASM International