Heat treatment is a very important process to improve the performance of A514 grade J alloy steel plate etc. metal materials. The process of heating, heat preservation and cooling the steel in solid state to obtain the required structure and properties.
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Tempering includes high temperature tempering, medium temperature tempering and low temperature tempering. Tempering means to reheat the A514 grade J alloy steel plate quenched steel to a certain temperature and then cool it in a certain way. Tempering can reduce or eliminate the internal stress produced by quenching, reduce the hardness and strength, and improve the ductility or toughness of steel. After A514 grade J alloy steel plate quenching, the workpiece should be tempered in time, and the required mechanical properties can be obtained through the combination of quenching and tempering.
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