Electro galvanized steel sheet refers to the steel sheet galvanized by electro galvanizing process. Compared with hot-dip galvanized steel
sheet, the thickness of galvanized layer is thin, but the cost is low. Galvanizing, also known as cold galvanizing, is the process of forming uniform, dense and well combined zinc coating on the surface of the workpiece by using the principle of electrolysis. Compared with other metals, zinc is relatively cheap and easy to be plated. It is a low value corrosion-resistant electroplated layer, which is widely used to protect steel parts, especially to prevent air oxidation corrosion, and for decoration. Galvanized sheet refers to the steel plate with a layer of zinc on its surface. Galvanizing is an economic and effective anticorrosion method. About half of the world's zinc production is used in this process. Galvanizing is to prevent the surface of steel plate from corrosion and prolong its service life. General situation of galvanized sheet market and production and consumption In recent years, the production of galvanized sheet in China is increasing year by year, the import and export volume is also increasing year by year, the growth rate is higher than the increase of production volume; after deducting the repeated statistics of production, the consumption of galvanized sheet is about 5.27 million tons. Since 1999, the import volume has exceeded the production volume, and the self-sufficiency rate of domestic products is less than 50%, and there is a trend of decreasing year by year. The increase of galvanized steel consumption mainly depends on imports. In recent years, the import of galvanized steel has been increasing year by year, and the main varieties of imported products are galvanized steel, but the proportion of imported galvanized steel has been decreasing year by year. Accordingly, the proportion of imported galvanized steel has been increasing year by year. In 2003, for the first time, the import of galvanized steel in China exceeded the import of galvanized steel. Characteristics of galvanized steel sheet: the galvanized steel sheet produced by electroplating has good processability, but the coating is thinner and the corrosion resistance is not as good as that of hot dip galvanized steel sheet.