Commercial Steel Treating Corporation, ©2019
Printed on February 16, 2019 1:18 pm


Curtis Thermal Processing (CTP) was built in 2009 and is a wholly-owned heat treat facility of Commercial Steel Treating. CTP is located less than one mile from our Curtis Metal Finishing plant in Machesney Park Illinois.


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MTI Statement of Limited Liability

Atmosphere Batch


These state-of-the-art, microprocessor controlled furnaces can be programmed to meet your most stringent metallurgical requirements.

  • Deep Case Carburizing
  • Carbonitriding
  • Neutral Hardening
  • Carbon Restoration
  • Normalizing
  • Annealing

All can be tailored to exact specifications.

Standard fixturing will accommodate most part geometries and custom fixturing can be fabricated to handle complex components of special dimensional requirements.

The pre and post washing stations, coupled with an integral oil quench chamber result, in Optimum part cosmetics.

Stamped, cold formed, screw machined or forged components up to 36 inches can be processed to exacting standards. Commercial is proud to be a ISO 9002 registered heat treat supplier. Our A2LA and FQA accredited laboratory is staffed 24 hours a day by degreed metallurgical engineers.

Our experienced staff is available to answer your questions on materials., applications or processing specifies.