Central Indiana's Premier Heat Treater Since 1952
Vacuum
Heat Treating
We are considered to be vacuum heat treat specialists, with over 55 furnaces and ovens we can treat almost all steels, aluminum, copper, and brass.
Black Oxide Services
Applies a sleek black finish to your parts as an inexpensive way to increase aesthetics and improve corrosion resistance.
Straightening,
Blasting, & Hardening
Includes open air stress relieving and normalizing, straightening, bead/sand blasting, and flame hardening.
Controlled Atmosphere
Heat Treating
We are oil hardening and carburizing experts. Circle City is well known for our ability to keep parts straight/flat during the heat treating process.
Cryogenic (Deep Freezing)
Our cryogenic process at -300°F results in dramatically longer wear life, lowers operating and maintenance costs, and increases productivity.
Advisory/Support Services
Includes technical advising and support from one of our heat treating experts. Hardness testing and certifications provided upon request.
Customers we serve
General Directions to
Circle City Heat
Treating, Inc.
Our Address:
2243 Massachusetts Avenue
Indianapolis, IN 46218
Phone: 317.638.2252
Fax: 317.638.2181
Contact Us
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