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Process where it is supplied the heat to a metal piece and then it is left to get cold in a more or less controlled way in order to give determined physic characteristics to the means.
According to the kind of characteristic which is given to the piece, a determined thermal treatment will be applied; the main treatments which are used in this company are: Austempering (it is obtained by undergoing metals first to a treatment of discovery and after of temper) and Temper (to give more hardness, tensile strength, high resistance in the usury).