2 Terms
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Heat treatment
The heating and cooling of metals or alloys in the solid state for the purpose of obtaining certain desirable conditions or properties.
Industry: Metals
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Heat treatment
sub-critical annealing
Metals; Heat treatment
Also known as Stress Relief Annealing, this procedure is used to relieve stresses. Parts are uniformly heated to 1150° F., and either air cooled or slow cooled from based on the type of part being ...
air hardening steel
Metals; Heat treatment
An alloy steel containing enough carbon and other elements to allow hardening to take place by simply cooling in air or other gaseous mediums, rather than quenching from a high temperature.
aging
Metals; Heat treatment
Changes in properties of certain metals and alloys occurring at ambient or moderately elevated temperatures after hot working or a heat treatment.
water hardening
Metals; Heat treatment
Hardening of high carbon steels, straight carbon steels, and low alloy steels by quenching in water.
hardening
Metals; Heat treatment
Heating and quenching of certain iron-base alloys from above the critical temperature range to produce a superior hardness.
normalizing
Metals; Heat treatment
Heating ferrous alloys to approximately 100° F above the critical temperature range, followed by cooling in air, and is used to undo previous heat treating results so as to achieve a uniform grain ...
