Classification Of Galvanized Steel

According to production and processing methods can be divided into the following categories:
① Hot dip galvanized steel plate. The sheet steel is immersed in the melted zinc tank so that the surface is adhered to a layer of zinc sheet steel. It is mainly produced by continuous galvanizing process, that is, the rolled steel plate is continuously dipped in the plating tank with melted zinc to make galvanized steel plate.
② Alloyed galvanized steel plate. This steel plate is also made by hot dipping, but after the tank is out, it is immediately heated to about 500 ° C to generate an alloy film of zinc and iron. The galvanized sheet has good adhesion and weldability of coating.
③ Electric galvanized steel plate. The galvanized steel plate made by electroplating has good workability. However, the coating is thin and the corrosion resistance is not as good as that of hot-dip galvanized sheet.
④ Single-sided plating and double-sided differential galvanized steel plate. Single-sided galvanized steel, that is, products that are only galvanized on one side. It has better adaptability than double-sided galvanized sheet in welding, coating, anti-rust treatment, processing and so on. In order to overcome the shortcomings of uncoated zinc on one side, there is a galvanized sheet coated with a thin layer of zinc on the other side, that is, double-sided differential galvanized sheet;
⑤ Alloy, composite galvanized steel plate. It is a steel plate made of zinc and other metals such as aluminum, lead, zinc, and even composite plating. This steel plate not only has excellent anti-rust performance, but also has good coating performance;
In addition to the above five kinds, there are color galvanized steel plate, printed coated galvanized steel plate, polyvinyl chloride laminated galvanized steel plate and so on. But the most commonly used is still hot dip galvanized sheet.
Main manufacturers and import production countries:
① Domestic main production plants: WISCO, Angang, Baosteel Huangshi, MCC Hengtong, Shougang, Panzhihua Iron and Steel, Handan Iron and Steel, Masteel, Fujian Kaijing, etc.
② The main foreign production countries are Japan, Germany, Russia, France, South Korea and so on.