Currently,galvanized steel is commonly used in power line engineering,but the processes of rust removal,pickling,and galvanizing in hot-dip galvanizing have serious environmental pollution problems.Weathering steel forms a dense protective layer on the surface of the steel material by adding alloying elements,thereby delaying corrosion.Weathering steel can not only significantly improves the service life of steel structures,but also utilizes its coating free characteristics to significantly reduce environmental pollution and lower the construction,operation,and maintenance costs of power grids.In addition,it also contributes to the achievement of the"dual carbon target"strategy goals and the development of green construction technology for power line engineering.
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