Circle City Heat Treating has been central Indiana's premier specialty heat treater since 1952. We have a long standing reputation for outstanding quality and extraordinary customer service. Our team consists of trained professionals with over 100 years of collective heat treating experience. With our state of the art facility and equipment, we offer services such as vacuum heat treating, controlled atmosphere heat treating, black oxide services, and more. When you choose Circle City Heat Treating, you gain the benefit of over five decades of heat treating innovation. Contact us today to learn more!
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