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Material characteristics of weathering steel plate
Weathering steel is a low-alloy high-strength steel with a small amount of alloying elements added to ordinary steel to make it have good corrosion resistance in the atmosphere. The atmospheric corrosion resistance of weathering steel is 2-8 times that of ordinary carbon steel, and the longer the use time, the more prominent the corrosion resistance. In addition to good weather resistance, weathering steel also has excellent mechanical and welding properties. The atmospheric corrosion resistance of weathering steel is much higher than that of ordinary carbon steel. It is widely used in manufacturing industries such as containers, bridges, automobiles, railway vehicles and construction in foreign countries. At present, domestic weathering steel is mainly used for containers and railway vehicles. There is still a lot of room for development in the application field of weathering steel.
The exterior wall of the building is made of weathering steel plate, which is chemically coated on the steel. This treatment can increase the rust degree of the appearance, but the rust spots will not affect the quality of the steel itself. "With the influence of the sun, wind and rain, and even the humidity in the air, the outer wall of the Anqing Martyrs Memorial Tower will gradually form a layer of rust. It is also equivalent to a layer of protective film to prevent the infiltration and transmission of rust media, which can effectively prolong the service life of weathering steel.
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