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Heat Treating Ovens

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Heat treating ovens are used to alter the chemical and physical properties of metal or glass, including their hardness, tensile strength and toughness, through a three-step process of heating, cooling and reheating. Read More…

Heat Treating Ovens Heat treating ovens are a type of industrial oven, which are heated chambers used for industrial applications, including drying, curing or baking parts and final products.
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Leading Manufacturers

Round Lake, IL  |  847-546-8225

Grieve’s only business since 1949 has been to design and manufacture industrial ovens and furnaces. Use our depth of knowledge and experience when you require an oven or furnace for powder coating, curing, baking, drying, stress relieving, and more.

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The GRIEVE CORPORATION $$$

High Point, NC  |  336-886-7161

Production Systems’ design and engineering team will work with our customers and coating suppliers to find the optimal oven design for your specific finishing requirements. Based upon coating properties our skilled team will make sure proper air circulation, ventilation exhaust, air seal, combustion equipment, safety control, temperature control, and electrical control are provided.

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Production Systems, Inc. $$$

Milwaukee, WI  |  877-683-6797

International Thermal Systems manufactures industrial ovens for a wide range of industries and applications. An industrial oven is designed to heat up to 1,000° F and can be used for many process heating applications. Process Heating is defined as heating to a specified temperature and holding the temperature for a specified amount of time to achieve a change in the material’s properties or state. ITS engineers are experts in heat treat processes and will design an industrial oven specifically for your application.

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International Thermal Systems $$$

Maumee, OH  |  800-537-8980

Surface Combustion offers a diverse product offering for batch and continuous furnace designs for atmosphere, nonatmosphere or vacuum processing of ferrous and/or nonferrous components/materials.

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Surface Combustion Inc. $$$

East Windsor, CT  |  860-623-9256

Noble provides customized furnace designs that incorporate the needs of the client. Once the furnace concept and drawings have been accepted, work begins and Noble takes over the project until its completion. All aspects of the construction, installation, testing and training of the furnace are handled by Noble Industrial Furnace. Only when the client’s end users are up and running does Noble consider the job complete. For more details on what we can do for your business, call or visit our website today!

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Noble Industrial Furnace Company, Inc. $$$
placeholder image The GRIEVE CORPORATION Production Systems, Inc. International Thermal Systems Surface Combustion Inc. Noble Industrial Furnace Company, Inc.

Heat treating ovens may perform a number of heat processes, including quenching, case hardening, precipitation hardening, tempering and annealing. Quenching is the process of cooling a metal at a rapid rate. In ferrous alloys, this process will produce a harder metal, while in non-ferrous alloys, like copper, aluminum or nickel, it will produce softer metal.

Case hardening is a thermochemical diffusion process in which an alloying element, like nitrogen or carbon, diffuses into the surface of a monolithic metal. The result is a solid solution that is harder than the original material, which improves its wear resistance without compromising its toughness.

Precipitation hardening, also known as age hardening, is a heat treating process that increases the yield strength of most malleable materials. These materials include most structural alloys of aluminum, nickel, titanium, magnesium and some steels and stainless steels.

Clean Room Mechanical Heat Treating Oven Clean Room Mechanical Heat Treating Oven - Thermal Product Solutions (TPS, LLC)

In superalloys, precipitation hardening is known to produce yield strength anomaly, which provides excellent high temperature strength. Tempering increases the toughness of iron-based alloys. Usually performed after hardening to reduce some of the excess hardness, tempering is completed by heating the metal to some temperature below the critical point for a certain period of time, then allowing it to cool in still air.

Finally, annealing is a rather general term that refers to the heating of a metal to a specific temperature and then letting it cool very slowly, at a rate that will produce a fine microstructure. The microstructure will be either partially or fully separated from the constituents.

Heat treating ovens are employed with this technique most often to soften a metal for cold working, to improve machinability or to enhance properties like electrical conductivity.

Heat treating ovens can generally be split into two groups: batch ovens and continuous ovens. Batch ovens are usually loaded and unloaded manually. Continuous ovens, on the other hand, have an automatic conveying system that provides a constant load into the oven chamber.

Industries in which heat treating ovens are employed include: aerospace, automotive, composite and specialty materials, medical, dental and military and defense. Heat treating serves these industries well by providing them with glass and metal that has improved strength, hardness and toughness.

Heat Treating Ovens Informational Video