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Heat treatment being applied to steel is the process of heat application to steel so as to change its condition or characteristics The number of heat may be calculated through the coldness or hotness of the steel thats being treated Temperature may either be hot or cold if touched therefore the procedure of treating temperature may range between very cold to scorching The range of temperature may be from negative cold to hot plus Heat application to steel is very essential to permit its mechanical properties and conditions to change to be able to enable the steel to use both during production or its functional life cycle Steel is primarily made up of metal called iron There are several features of iron that we must know and consider so that we can understand the procedure of heat therapy of steel To ensure that us to understand what transpires if heat is applied to iron we must initially know regarding ferrite a situation in iron which includes natural properties at normal room temperature like the size of large grain good ductility and low hardness and can be machined easily The ferrite situation exists in specific crystal appearance and you will be in a position to exist in low temperatures Therefore iron comprises an incredible number of minute crystals mostly similar t salt or sugar Those crystals are bounded together to create lattice structure The ferrite situation in iron is comparable to water or H2O to be exact Water exists into three forms liquid vapor and ice These conditions or phases is still water however each of them exist in diverse crystal form Likewise ferrite is a single condition of iron Through the application of heat to iron things start to occur to the glossy section of steel that is being heated The oxygen round the atmosphere starts to respond with glistening face of iron to create into Iron Oxide As temperature increases the response between oxygen and iron is actually more insistent and noticeable product starts to form when confronted with iron referred to as scale By the time the steel arrives at estimated temperature at 1350xF a transformation in the composition occurs also the phase The stage transforms from ferrite into austenite Furthermore httpswwwsilverlinestructurescomcoldform from cubic which is bodycentered into facecentered cubic structure An indicator of the transformation happening is that there exists a loss of magnetic property of the ion which can be witnessed by testing the face of steel by a magnet Be cautious to secure the hands and fingers if testing for magnetism that was lost from the heated steel The crystal composition changes to cubic structure that is facecentered when the iron heated reaches to above the lower converted temperature of just one 1350xF Thus in creating the stage of austenite sufficient heat is required to make the phase Furthermore growth will happen because of the atomic change in the structure Hence the dimension of mold changes as the heat is applied That is referred to as growth and must not be puzzled with deformation