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Heat treating can be defined as the process of heating and cooling a material in such a way as to develop specific structure, chemical composition, and physical properties. It is a vital process in the global effort to produce stronger, lighter, more durable parts at lower cost. The wide variety of heat treatment processes available include through-hardening, carburizing (batch and press quench), tempering, and straightening. Conventional hardening and tempering for parts with a size up to 9 x 18 x 2 1/2 in. Gears as large as 10 in. diameter and 2 1/2 in. thick can be precisely carburized and die (fixture) quenched.
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