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Knowledge Of Galvanized Sheet
- May 17, 2017 -

1. Definition of Galvanized sheet

Galvanized steel plate is to prevent corrosion of the surface of the steel plate, prolong its service life, on the surface of the steel plate coated with a layer of metallic zinc, this zinc coated sheet is called galvanized sheet.

2. Classification and use of galvanized sheet

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

① Hot Dip Galvanized plate. The thin plate is immersed in the molten zinc groove, so that the surface is glued to a thin plate of zinc. At present, the main use of continuous galvanizing process production, that is, the continuous dip into the steel plate in the molten zinc plating bath made of galvanized steel plate;

② Alloy galvanized steel plate. The steel plate is also made by hot dip method, but after the slot, it immediately heats up to about 500 ℃, so that the zinc and iron alloy is produced by film. This galvanized sheet has a good coating of dense and weldability;

③ Zinc Plating steel plate. This galvanized steel plate is manufactured by electroplating process. But the coating is thinner, corrosion resistance is inferior to hot dip galvanized plate;

④ one-sided plating and double-sided coated galvanized steel plates. Single-sided galvanized steel sheet, that is only on one side galvanized products. In welding, coating, anti-rust treatment, processing and other aspects, has better than the double-sided galvanized sheet adaptability. In order to overcome the disadvantages of single-sided zinc coating, there is a thin galvanized sheet coated with zinc, i. e. Double-sided differential galvanized plate;

⑤ alloy, composite galvanized steel plate. It is made of zinc and other metals such as lead and zinc alloys and even composite plates. This steel plate has excellent anti-rust property and good coating performance.