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The controlled and systematic heating and cooling down of metals is called heat treatment. These exposures to extreme temperatures help change the physical and mechanical attributes of metals. But a very important factor should be kept in mind when going through the process the form of the metal product remains unchanged. Manufacturing procedures like welding and forming include heat treatment, that is either to heat or cool off metal in high degrees, inadvertently as a simple step in the complete procedure. Techniques of heat therapy have a series of processes. But before we get into this info we should go a little deeper in to the micro-structure of the metals. Metals constitute of micro-structures, which are like grains of crystals, referred to as crystallites, packed together to make a unit of a micro-structure. These crystals may vary in mass and size. The nature of the crystals determines the mechanical properties of a metal. By heat treatment one can change the overall properties of the crystals. Thereby, this can also manipulate the overall mechanical properties of metals. In cold formed metal buildings , the rate of diffusion in metals could be changed and moreover the rate of cooling the metals try cool down after going right through heavy heating is also changed. cold-formed steel buildings tend to be useful for their mechanical properties; through the use of complex heat therapy procedures metal workers increase this property of alloys. A super alloy, which is used in the aerospace industry, sometimes has to undergo five or even more different heat treatments to achieve the desired results. A Heat therapy company thus raise the efficiency of the mechanics, to better the formability of the metal and regain its ductile property which is often affected due to working in cold environments. But this process can have several other uses in other manufacturing procedures too. Out of most other metals and materials steel production needs heat therapy the most. Steel responds quickly to heat and therefore one can rely on these to obtain suitable results. In the commercial market steel is always the most sought after material. No other material can match the demand of steel. So, we are able to deduce that this treatment or process is an extremely vital facet of today's industrial and commercial world. This helps the steel in improving its mechanical efficiency by, softening, hardening and material modification. Softening: that is particularly done to improve the elasticity of steel. It helps the steel to regain its ductility, in the process decreasing its power and removing residual stresses. Interestingly softening could also be used to change the electromagnetic characteristics of the steel and it also purifies the grain size in the steel. Hardening: literally it's the opposite of softening and even practically in the event of heat therapy of steel, it raise the hardness of the steel, making it less ductile along the way. Material Modification: Material modification is done to manipulate the properties of steel, apart from hardening and softening.