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How to get the overall heat treatment parts?

  • 2022-01-19 14:49:21

Commonly used heat treatment methods include integral heat treatment, surface heat treatment and deformation heat treatment. The overall heat treatment is the "four fires" that people often hear in the factory, which refers to the four most commonly used heat treatment methods: annealing, normalizing, quenching and tempering. Among them, quenching and tempering are closely related and are often used together. Indispensable. With the different heating temperature and cooling method, the "four fires" have evolved different heat treatment processes, including modulation, aging treatment and deformation heat treatment.


For example, quenching can improve the hardness and wear resistance of metal workpieces, so it is widely used in various tools, dies, measuring tools and parts that require surface wear resistance, such as gears, rolls, carburized parts, etc., as shown in the figure below. In addition, quenching can also make some special properties of steel obtain certain physical and chemical properties, such as quenching to enhance the ferromagnetism of permanent magnet steel, and to improve the corrosion resistance of stainless steel.

There is also the term quenched and tempered steel, which is formed by adding manganese and silicon elements when smelting steel. Quenched and tempered steel is not the steel that has been quenched and tempered, so pay attention to the difference.



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