Introduction of High Quality Galvanized Steel
High Quality Galvanized steel refers to the galvanized processing of ordinary carbon construction steel, which can effectively prevent corrosion and rust of steel and prolong the service life of steel. Among them, galvanized is divided into electrogalvanized and hot-dip galvanized. Generally used in building exterior walls, such as glass curtain walls, marble curtain walls, aluminum curtain walls as columns and stress materials, or for outdoor telecommunication towers, highways and other open-air construction steel is called galvanized steel, of which galvanized is divided into electro-galvanized and hot-dip galvanized Dip galvanized.
The hot-dip galvanized pipe reacts the molten metal with the iron substrate to produce an alloy layer, so that the substrate and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is cleaned by ammonium chloride or zinc chloride aqueous solution or a mixed aqueous solution of ammonium chloride and zinc chloride, and then sent to hot-dip coating tank. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. The hot-dip galvanized steel pipe substrate undergoes complex physical and chemical reactions with the molten plating solution to form a corrosion-resistant zinc-iron alloy layer with a tight structure. The alloy layer is integrated with the pure zinc layer and the steel pipe substrate. Therefore, it has strong corrosion resistance.
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