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Hot-dipped galvanized gabion box
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Hot-dipped galvanized gabion box

Views: 4     Author: Site Editor     Publish Time: 2019-05-14      Origin: Site


As we all know, the hot-dipped galvanized gabion box, which can prolong the service life and improve the corrosion performance. The galvanizing method includes hot-dip galvanizing and cold-galvanizing, so what is the difference between the two?


Hot-dip galvanizing, also known as hot-dipped galvanizing: is an effective metal anti-corrosion method, mainly used in metal structures in various industries. It removes oil, pickles, dipped, dried and immersed in a zinc solution that melts around 500 °C to adhere the zinc layer to the surface of the steel component, thereby preventing corrosion. The process of hot-dipped galvanized gabion box is: finished pickling - washing - adding plating solution - drying - hanging plating - cooling - pharmaceutical - cleaning - grinding - hot galvanizing completed.


Hot-dip galvanizing is a result of the older hot-dip method. Since the application of hot-dipped galvanized gabion box in France in 1836, it has been a hundred and forty years old. However, the hot-dip galvanizing industry has developed on a large scale with the rapid development of cold-rolled strip in the past three decades. Heat treatment first, then galvanize. Because if galvanizing and then heat treatment, the galvanized layer will be burned during heat treatment, and the heat treatment temperature is generally two or more.


Cold galvanizing, also called electro-galvanizing, is the use of electrolyzing equipment to remove the oil and pickle the workpiece into a solution of zinc salt and connect it to the negative electrode of the electrolyzer; place the zinc plate on the opposite side of the workpiece to connect to the electrolysis The positive pole of the device, when the power is turned on, and the current is moved from the positive electrode to the negative electrode, a layer of zinc is deposited on the workpiece, and the amount of zinc on the workpiece is small, only 10-50 g/m2. The process of forming a metal layer with an average, dense, and good separation force can prevent corrosion, improve wear resistance, electrical conductivity, light reflectivity, and promote aesthetics.


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