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Heat Treatment Companies

IQS Directory provides an extensive list of heat treatment companies. Utilize our website to review and source heat treatment companies with our easy-to-use features which allow you to locate heat treatment companies that will design, engineer, and provide heat treatment services for your exact specifications. Our request for quote forms make it easy to connect with leading heat treatment companies. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for salt bath heat treating, vacuum heat treating, or normalizing heat treatment.

  • Jacksonville, FL

    As an ISO/TS 16949:2002-accredited company, Braddock Metallurgical provides a complete range of heat treating services. We offer aluminum heat treating, solution heat treating, austempering, nitriding, steam treating and more. We also offer consulting and material testing services.

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  • Pontiac, MI

    Our metallurgical facility offers 24-hour service for heat treating services. Heat Treating Services Corporation of America has industrial heat treatment equipment such as our oil quench and temper furnaces which process 2,000 pounds per hour. We offer normalizing, annealing and neutral hardening.

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  • Cranston, RI

    Spectrum Thermal Processing is a specialty heat treating and brazing facility. Established in 1962 utilizing equipment manufactured by C.I. Hayes Inc. Spectrum Thermal Processing is ISO 9000:2008 registered and AS-9100C registered. Spectrum supports the aerospace, automotive, electronic, medical and machine tool industries.

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  • Newington, CT

    We are a commercial facility which processes metal parts to improve their hardness, strength, ductility or formability. We serve commercial, military and aerospace markets. We are an approved source for numerous companies and are approved by NADCAP for heat treating. We are ISO 9001:2000 Registered and AS 9100 Registered. We also process steel parts to provide a deep black oxide surface finish.

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Heat Treatment Industry Information

Heat Treatment

Heat treatment is a broad term encompassing a number of thermally involved methods and processes used to modify the physical, mechanical, and even chemical properties of industrial materials with the goal of adding hardness or ductility.

Quick links to Heat Treatment Information

Applications of Heat Treatment

Through a series of timed heating and cooling cycles, heat treatment processes such as case hardening and annealing, cause a realignment of internal atomic structures and create application-specific parts that are softened or hardened as needed. Both formed parts and raw materials may be treated in this manner.

These industries commonly use heat treating to produce parts:

  • Automotive
  • Construction
  • Military
  • Tool and Die
  • Shipping
  • Transportation
  • Aerospace

Such parts possess the heightened capabilities required for harsh industrial applications. Hardness and ductility, as well as tensile, impact, and yield strengths are significantly improved or reduced by variable heat treating procedures. Post-production heat treating also relieves stress and tension that may have been an incidental byproduct of manufacturing processes such as cold-rolling, forging, and welding.

Although heat treating metals and their alloys, such as aluminum, steel, copper, and stainless steel are the most predominant applications for heat treatment, specialized technologies are commonly employed to alter the physical and mechanical properties of glasses, ceramics, and polymers as well. This energy intensive process is extremely versatile but must be carefully conducted to reduce the opportunity for mechanical failure due to insufficient heating or cooling.

Heat Treatment Process and Customization

Heat treatment providers often start by considering the end goal of heat treatment. Rather than request a certain procedure, clients dictate the desired results or requirements for a given part or material. Metallurgists and other heat treatment professionals then determine the operations necessary to produce hardened or softened, flexible or rigid components.

Often more than one process is used. With the end goal in mind, clients and engineers look at the microstructure (or internal atomic infrastructure) of the material to be treated. Grains or crystallites form a complex lattice, the structure of which is reflected in the properties of the pre-treated material. Heat treatment raises the temperature of these grains to what is known as the critical temperature. This is the point at which the lattice begins to come undone.

The temperature, rate, and duration of heating as well as the speed, rate and degree of cooling are then manipulated so as to realign the atoms. In general, fast cooling produced via cooled gas or liquids engulfing the material results in coarse grain, which provides excellent strength and rigidity but may also become brittle. Slow cooling, such as that used in annealing, produces small grain structures with impressive strength but also flexibility. While heating and cooling are essential to all heat treatments, additional considerations include chemical restructuring.