In addition to being used for garden decoration, S355K2G2W steel plate is also widely used in steel structures such as buildings, vehicles, bridges, towers, etc. that are exposed to the atmosphere for a long time, as well as structural parts such as containers, railway vehicles, oil derricks, seaport buildings, and oil production platforms.
The main reason for the use of bridges and coastal areas is that the air humidity in these areas is much higher than other places, so the degree of corrosion is much more serious. Even if the average corrosion depth of S355K2G2W steel plate in coastal cities is about 0.02mm/year, the corrosion resistance of S355K2G2W steel plate is much higher than that of ordinary steel plates.
The alloy composition content and weight percentage in S355K2G2W steel plate are: C: 0.12-0.21, Si: 0.2-2.0, Mn: 0.7-2.0, S≤0.036, P≤0.034, Cu0.10-0.40, Al<0.2, the rest is iron and trace impurities.
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