Abstract
The chemical composition, tensile, impact and microstructure of the high-performance weather-resistant building structural steel in Ansteel are analyzed, and the results showed that the steel plate has excellent comprehensive mechanical properties. Its weather resistance is more than 2 times that of ordinary structural steel, the welding cold crack sensitivity is low, and the welded joint has good tensile and impact resistance performance, which fully meets the requirements of various application indexes of construction steel. The steel has been applied in the project of Beijing Winter Olympic Alpine ski center and the actual effect is good.
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