Normalizing

Heating a ferrous alloy to a suitable temperature (approximately 38C) above the transformation range and then cooling in air to a temperature substantially below the transformation range.

This heat treat operation is used to erase previous heat treating results in carbon steels to 0.4% carbon, low alloy steels, and to produce a uniform grain structure in forged and cold worked steel parts.


See also: Heat Treatment, Steel.

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Subjects: Mechanical Engineering