Heating a ferrous alloy to a suitable temperature above the transformation range and then cooling in air to a temperature substantially below the transformation range.
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A heat treatment applied to steel, Involves heating above the critical range followed by cooling in still air. Is performed to refine the crystal structure and eliminate internal stress.p>Heating a ferrous alloy to a suitable temperature above A3 or Acm and then cooling in still air to a temperature substantially below A1. The cooling rate usually is in the range 900 to1800 F/h (500 to 1000C/h).
Heating a ferrous alloy to a suitable temperature (approximately 38°C) 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 struc...
Heating a ferrous alloy to a suitable temperature above the transformation temperature Ac3, followed by cooling at a suitable rate, usually in still air to a temperature substantially below the transformation range.
A heat treatment applied to steel, Involves heating above the critical range followed by cooling in still air. Is performed to refine the crystal structure and eliminate internal stress.Heating a ferrous alloy to a suitable temperature above A3 or Acm and then cooling in still air to a temperature substantially below A1. The cooling rate usually is in the range 900 to1800 F/h