Normalizing at Thermex Metal Treating is a ferritic heat treatment process that is used to make a iron based alloy steel more ductile and tough. This is achieved after the part(s) have been subjected to thermal hardening processes. Normalizing involves heating the steel to an elevated temperature, followed by slow cooling to room temperature. The heating and slow cooling changes the microstructure of the steel. This reduces the hardness of the steel and will increases its ductility.
Normalizing is performed when another process has decreased ductility and increased hardness of machine steel parts. Normalizing reforms the microstructure into more ductile structures. This makes the metal more formable, more machinable, and reduces residual stress within the material that could lead to unexpected failure.
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Normalizing is a heat treatment process that is used to make a metal more ductile and tough after it has been subjected to thermal or mechanical hardening processes.