Classification and Use of Galvanized Coils and Galvanized Sheet

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

1 hot dip galvanized sheet. The steel sheet is immersed in a molten zinc bath to adhere a zinc-plated steel sheet to the surface. Currently mainly used Continuous 

galvanizing process, that is, continuously immersing a coiled steel plate in a zinc-plated plating tank to form a galvanized steel sheet


2 alloyed galvanized steel sheet. This steel plate is also made by hot dip, but it is heated to about 500 °C immediately after the groove is removed. It produces an 

alloy coating of zinc and iron. This galvanized sheet has good adhesion and weldability of the coating.


3 electro-galvanized steel plate. The production of such a galvanized steel sheet by electroplating has good workability. But the coating is thinner and the corrosion 

resistance is not as good.


Hot dip galvanized sheet

4 single-sided plating and double-sided differential galvanized steel. Single-sided galvanized steel, that is, a product that is only galvanized on one side. It has better 

adaptability than double-sided galvanized sheet in welding, painting, anti-rust treatment and processing. 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, a double-sided galvanized sheet.


5 alloy, composite galvanized steel sheet. It is made of zinc and other metals such as lead, zinc alloy or even composite plated steel. This steel plate has excellent 

rust resistance and good coating properties.




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Susan F.//SMC Editor