Annealing of ASTM A283 gr.c steel sheet steel plate, the steel is heated to a certain temperature and kept warm for a period of time, and then let it slowly cool, called annealing.Annealing of steel is a heat treatment method in which the steel is heated to the temperature of phase change or partial phase change and cooled slowly after heat preservation.The purpose of annealing is to eliminate the microstructure defects, improve the microstructure, make the composition homogenization and refine the grain, improve the mechanical properties of ASTM A283 gr.c steel sheet steel, reduce the residual stress.
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What is the specific use of ASTM A283 gr.c steel sheet, hot rolled plate in daily life? First of all, hot rolled plate is used in bridge, vehicle structure, frame and other fields to play a role of bearing pressure. Secondly, high pressure boiler vessels are also made of hot rolled plates, which can be heat-resistant and airtight, and can stably seal the hot gas in the container. Thirdly, stainless steel hot rolled plate can be used to process hardware products. It has excellent corrosion resistance, and is easy for processing.
The mechanical properties of ASTM A514 steel plate are similar to that of Q690 in China. The hardness of A514 steel plate is 235-290, yield strength is more than 630Mpa and tensile strength is more than 700MPa. ASTM A283 gr.c steel sheet, A514 Gr F steel plate is mostly used in places where high tensile strength and high yield strength are required, such as lifting gear of engineering vehicle, rack of large excavator and offshore platform.
