Central Indiana's Premier Heat Treater Since 1952
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317.638.2252
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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.
Applies a sleek black finish to your parts as an inexpensive way to increase aesthetics and improve corrosion resistance.
Includes open air stress relieving and normalizing, straightening, bead/sand blasting, and flame hardening.
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.
Our cryogenic process at -300°F results in dramatically longer wear life, lowers operating and maintenance costs, and increases productivity.
Includes technical advising and support from one of our heat treating experts. Hardness testing and certifications provided upon request.
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