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Classification of galvanized sheet according to production and processing methods

Column:Company news Time:2021-03-29
According to the production and processing methods, galvanized sheet can be divided into the following categories:

According to the production and processing methods, galvanized sheet can be divided into the following categories:

① Hot dip galvanized steel plate. Immerse the sheet in a molten zinc bath

A thin steel plate with a layer of zinc adhered to its surface. At present, the continuous galvanizing process is mainly used, that is, the rolled steel plate is continuously immersed in the bath with zinc melting to make the galvanized steel plate;

② Alloyed galvanized steel sheet. This kind of steel plate is also made by hot-dip method, but it is heated to about 500 ℃ immediately after it is discharged from the tank, so as to form an alloy film of zinc and iron. The galvanized sheet has good coating adhesion and weldability;

③ Galvanized steel sheet. The galvanized steel sheet produced by electroplating has good processability. However, the coating is thin and its corrosion resistance is not as good as that of hot dip galvanized sheet;

④ Single side and double side differential galvanized steel sheet. Single side galvanized steel sheet, that is, products galvanized only on one side. It has better adaptability than double-sided galvanized sheet in welding, coating, antirust treatment and processing.

In order to overcome the disadvantage of uncoated zinc on one side, there is another kind of galvanized sheet coated with a thin layer of zinc on the other side, that is, double-sided poor galvanized sheet;

⑤ Alloy, composite galvanized steel sheet. It is made of zinc and other metals such as aluminum, lead, zinc alloy and even composite plated steel plate. This kind of steel plate not only has excellent antirust performance, but also has good coating performance;

In addition to the above five, there are color galvanized steel, printing coated galvanized steel, PVC laminated galvanized steel and so on. However, hot dip galvanized sheet is still the most commonly used.


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