Wholesale price of 09CuPCrNi-A hot rolled sheets steel plate

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Wholesale price of 09CuPCrNi-A hot rolled sheets steel plate

Under normal exposure to the atmosphere, 09CuPCrNi-A hot rolled sheets, bare steel forms a tight protective oxide film during the first few months of atmospheric corrosion. Sometimes architects choose bare steel structures because they want to get the appearance of uniform atmospheric oxidation on the steel surface, and sometimes they are to save the protective coating for economic purposes. To use these low-alloy high-strength steels in a bare state, the design must consider that the surface of the steel cannot be wet for a long time, and special attention should be paid to the special atmospheric environment to ensure that the corrosion rate of the steel is allowed under this condition.

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The work performance of 09CuPCrNi-A hot rolled sheets etc. steel material is mainly depended on its chemical composition, mechanical properties etc. parameters. The higher strength the steel has, the less quantity steel is needed to achieve same strong effect of the steel structure. However, the steel strength varies with the thickness. So please take steel thickness into consideration when evaluating the steel strength. For a certain steel, its strength also has something to do with the steel shape. For example, for a same steel grade, the steel strength is different for steel plates and pipes.

Compared with 45 steel, the annealed hardness of 40Cr is about 10hbw higher; The normalized state is about 24 HBW higher than the normalized state; After quenching and tempering at 600℃, the hardness is about 70hbw higher than that of the steel. Therefore, in stainless steel engineering, most 09CuPCrNi-A hot rolled sheets alloy steels are generally used after quenching and tempering.

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