what is the treatment process is done to refine the grain structure of steel
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Normalization is an annealing process applied to ferrous alloys to give the material a uniform fine-grained structure and to avoid excess softening in steel. It involves heating the steel to 20–50 °C above its upper critical point, soaking it for a short period at that temperature and then allowing it to cool in air.
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Normalisation
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It is an annealing heat treatment used to refine the grains and produce a more uniform and desirable size distribution.
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