Heat treatment is one of the important processes for processing st37-2 steel plate. Compared with other processing methods, heat treatment generally does not change the shape and overall chemical composition of the st37-2 steel plate, but changes the microstructure of the st37-2 steel plate or changes the chemical of the surface. Ingredients, thereby improving the performance and intrinsic quality of the st37-2 steel plate. It is widely used in the mechanical industry. His microstructure is complex and can be controlled by heat treatment.
The heat treatment process of the st37-2 steel plate has two main aspects, heating and cooling. The heating temperature is one of the important parameters of the heat treatment process of the st37-2 steel plate. The selection and control of the heating temperature is the main problem to ensure the heat treatment quality of the st37-2 steel plate. The heating temperature is constantly changing depending on the purpose of heat treatment of the st37-2 steel plate, and the approximate temperature is between 40 and 800 degrees.
Cooling is also an indispensable step in the heat treatment of st37-2 steel plate. The cooling method varies from process to process, mainly to control the cooling rate of the st37-2 steel plate. Generally, the annealing rate is the slowest, the normalizing cooling rate is faster, and the quenching cooling rate is the fastest.
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