Normalising

A process of annealing, normalising involves heating the steel above the critical temperature and then cooling. The cooling regime for normalising is undertaken in standing air, and therefore cooled at a faster rate to full annealing. Although this is more economical than using a controlled furnace this also promotes a differing combination of microstructures. Due to this uneven combination of microstructures, generally normalised steel is tougher than fully annealed steel at the cost of being less workable and having less uniform material characteristics.

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