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The surface treatment technology can improve the corrosion resistance of steel sheets and increase the value of steel application.The surface treated steel sheets in Baosteel include zinc galvanized steel sheets,sin galvanized steel sheets,chromium galvanized steel sheets,and colour coating steel sheets with the application in the area from construction to automobiles,appliance,package,etc.The development,application and manufacturing technique of these products have become the core competition power of Baosteel. The article reviews the developments of surface treated steel sheets and surface treatment technologies in Baosteel in 10 years,especially hot dip galvanized high strength steel products used in vehicles.The article also looks forward into further developments of surface treatment steel products and technologies in Baosteel,which will focus on:①the new products of hot dip galvanized advanced high strength steels;②more environmental friendly products or functional coating products;③the development of surface treatment technologies to meet the requirement of higher surface quality in the marcket;④new type of surface treatment and coating technologies.
The surface treatment technology can improve the corrosion resistance of steel sheets and increase the value of steel application. The steel treated in sheets of zinc galvanized steel sheets, sin galvanized steel sheets, and color coating steel sheets with the application in the area from construction to automobiles, appliance, package, etc.The development, application and manufacturing technique of these products have become the core competition power of Baosteel. The article reviews the developments of surface treated steel sheets and surface treatment technologies in Baosteel in 10 years, especially hot dip galvanized high strength steel products used in vehicles. The article also looks forward into further developments of surface treatment steel products and technologies in Baosteel, which will focus on: ① the new products of hot dip galvanized advanced strength steels ; More environmental friendly products or functional coating p ③ the development of surface treatment technologies to meet the requirement of higher surface quality in the marcket; ④ new type of surface treatment and coating technologies.