Special Process Heat Treating

ENGINEERED HEAT TREAT, LLC

YOUR PARTS METALLURGICALLY ENGINEERED.

Proudly leading the industry in Special Process Heat Treating since 1959

Engineered Heat Treat, LLC is strongly focused on providing you with the highest quality in service and customer satisfaction – we will do everything we can to to meet or exceed your expectations.

With a variety of processes to choose from, Engineered Heat Treat can guarantee you will be overly satisfied working with us. We operate in house with some of the most state-of-the-art, advanced technology to date.

Please let us know if you have any comments or questions by submitting them in our guest book or contacting us by phone (248) 588-5141.

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Services we offer

SERVICES & SPECIAL PROCESSES WE OFFER

Engineered Heat Treat offers a wide range of processes for all types of jobs with both special process and standard specifications. We have a full Metallurgical Laboratory staffed with Metallurgists and well-qualified technicians, which use state-of-the-art testing equipment to ensure conformance to all customer requirements and specifications. See below for specific processes.

We are committed to provide heat treat services that meet or exceed our customer’s expectation of quality, cost and delivery. Our objectives will be achieved through our commitment to continuous improvement, quality and innovation to ensure customer satisfaction.

Gas Carburizing

Case hardening is specified by "hardness" and "case depth". The case depth can be specified in two ways: total case depth or effective case depth. The total case depth is the true depth of the case. For most alloys, the effective case depth is the depth of the case that has a hardness equivalent to HRC50; however, some alloys specify a different hardness (40-60 HRC) at effective case depth.

Hardening - Atmosphere

Atmosphere – Martensitic transformation, more commonly known as quenching and tempering, is a hardening mechanism specific for steel. The steel must be heated to a temperature where the iron phase changes from ferrite into austenite.

Hardening - Neutral salt bath

Salt baths are used in a wide variety of heat treatment processes including neutral hardening, liquid carburizing, liquid nitriding, austempering, martempering and tempering. Parts are loaded into a pot of molten salt where they are heated by conduction, giving a very readily available source of heat. The core temperature of a part rises in temperature at approximately the same rate as its surface in a salt bath.

Automated Gas Nitriding

In gas nitriding the donor is a nitrogen-rich gas, usually ammonia (NH3), which is why it is sometimes known as ammonia nitriding. When ammonia comes into contact with the heated work piece it dissociates into nitrogen and hydrogen. The nitrogen then diffuses onto the surface of the material creating a nitride layer.
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A history of great service for over 60 years…

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Please let us know if you have any comments or questions by submitting them in our guest book or contacting us by phone (248) 588-5141.
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