In order to achieve excellent corrosion resistance, galvanized sheets are widely used in automotive panels. The production processes of galvanized sheets mainly include hot-dip galvanized sheets (GI) and electro-galvanized sheets (EG).
In the application of galvanized steel sheets, different regions and manufacturers have their own usage habits. For automobile exterior panels, Japan mainly uses GA panels (zinc-iron alloy coated panels), the United States mainly uses EG panels and GA panels, and countries such as France, Italy, Sweden, and Belgium mainly use GI panels.
For automobile interior panels, Japan mainly uses GA boards, Europe mainly uses GI and EG boards, and the United States mainly uses GA boards.
In recent years, with the development of hot-dip galvanizing technology, the quality of hot-dip galvanized products (especially surface quality) has been continuously improved. Hot-dip galvanized products are more widely used in the automotive field, and due to the cost advantages of hot-dip galvanized products (compared to electroplating Zinc products are 10% to 20% cheaper), and currently there is a trend of replacing electroplated zinc products in some occasions.
