Steel structure is poor in corrosion resistance, steel is easy to corrode

Steel structures must be protected, especially thin-walled components. Therefore, buildings in highly corrosive media should not be steel. The steel structure should be thoroughly derusted before painting. The paint quality and coating thickness should meet the relevant specifications. In the design, the structure should be protected from moisture and rain, and the construction should avoid the dead corners of inspection and maintenance. The newly constructed steel structure is usually repainted at regular intervals, and the maintenance cost is high. At present, various high-performance coatings and weathering steels that are not easily corroded are being developed at home and abroad, and the problem of poor corrosion resistance of steel structures is expected to be solved.

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