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Heat Treating

Heat treatment is the controlled heating or cooling of material to change its structure in order to obtain certain mechanical properties, such as hardness, strength or ductility. Heat treating processes include Annealing, which heats the material slightly above its critical temperature, then slowly cools it to reduce its hardness and increase its ductility. Normalizing cools the heated material in air to remove the effect of all previous heat treatment processes. Quenching heats the material to its critical temperature, then cools it rapidly in water or air to increase its hardness and wear resistance. Tempering reheats a quenched part to a point below its critical temperature, then cools it at a desired rate to increase its ductility and toughness.

Heat Treating: Articles

Heat Treating Surgical Components

With Video

A TITAN H2 vacuum heat treating system with two-bar gas quenching from Ipsen satisfies the strict legal requirements of the medical industry.

A TITAN H2 vacuum heat treating system with two-bar gas quenching from...

Machine Shop Uses Benchtop Oven for Heat Treating with Nitrogen

Hueter runs small lots of Becu pins under a nitrogen atmosphere inside a 42GT-H12 oven from Lucifer Furnaces to achieve a specific Rockwell hardness and reduce surface oxidation for a scale free, bright finish.

Hueter runs small lots of Becu pins under a nitrogen atmosphere inside...

Going Deep: Oil and Gas

With Video

As the oil and gas industry explores new technology to innovate, minimize costs, and help contribute to achieving a lower-emissions environment, equipment and parts suppliers must dig deep to find ways to reduce their costs, improve their delivery times and increase component quality. Here are some of the latest machine tools and other equipment that can help them get the job done.

As the oil and gas industry explores new technology to innovate, minimize...
Heat Treating: Products

Cabinet Oven for Annealing

For annealing or normalizing processes, No. 1049 is a 1,050 deg F two-drawer cabinet oven from Grieve that has 800,000 BTU/hr installed in a modulating natural gas burner, while a 10,000 CFM, 7.5 hp recirculating blower provides horizontal airflow to the workload.

For annealing or normalizing processes, No. 1049 is a 1,050 deg F...
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