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Briefly describe what is the heat treatment process

Time:2021-04-27 09:06 Click:
    Recently, many friends are asking what is the heat treatment process. Today, Kejia will briefly share with you what is the heat treatment process. The heat treatment process generally includes three processes of heating, heat preservation, and cooling, and sometimes there are only two processes of heating and cooling. These processes are connected and uninterrupted. It is one of the important processes in mechanical manufacturing. Compared with other processing processes, heat treatment generally does not change the shape and overall chemical composition of the workpiece, but by changing the internal microstructure of the workpiece or changing the chemical composition of the surface of the workpiece, it gives Or improve the performance of the workpiece. Its characteristic is to improve the internal quality of the workpiece, which is generally not visible to the naked eye. As some people say, machining is surgery, and heat treatment is internal medicine, representing the core competitiveness of a country's manufacturing industry.
heat treatment process
    Metal heat treatment processes can be roughly divided into three categories: overall heat treatment, surface heat treatment and chemical heat treatment. According to the different heating medium, heating temperature and cooling method, each category can be divided into several different heat treatment processes. The same metal uses different heat treatment processes to obtain different structures and thus have different properties. Steel is the most widely used metal in industry, and the microstructure of steel is also the most complicated, so there are many types of steel heat treatment processes.
    Overall heat treatment is a metal heat treatment process that heats the workpiece as a whole and then cools it at an appropriate speed to obtain the required metallographic structure to change its overall mechanical properties. The overall heat treatment of steel generally has four basic processes: annealing, normalizing, quenching and tempering, that is, the "four fires" of heat treatment. The above is a brief introduction to the heat treatment process. If you want to know more, you can contact us directly.
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