Why study weathering steel?

The phenomenon of metal corrosion pervades all fields of national economy and national defense construction, and the harm is very serious. According to statistics, the economic losses caused by atmospheric corrosion of materials account for about 50% of the total corrosion losses, causing significant losses to the national economy.

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According to the statistics of industrial development, the economic loss caused by the natural corrosion of steel structure every year accounts for 2%-4% of the gross national economic product; At present, the economic losses caused by the loss of steel structures around the world amount to trillions of dollars.

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In order to solve the corrosion problem of steel in the atmosphere, the research of weathering resistant steel is carried out. In addition, weathering steel in the process of use can save the environmental pollution of pickling, galvanizing processes, reduce the use of the process of environmental harm, to achieve green production.

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