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Galvalume steel coils

Galvalume steel coils is an alloy composed of aluminum zinc alloy structure, which is composed of 55% aluminum, 43% zinc and 2% silicon solidified at high temperature of 600 ℃. Its whole structure is composed of aluminum iron silicon zinc, forming dense quaternary junction crystals.

Galvalume steel coils has many excellent characteristics: strong corrosion resistance, which is three times that of pure galvanized sheet; There are beautiful zinc flowers on the surface, which can be used as building exterior panels. Its characteristics are: corrosion resistance ("galvalume steel coats" corrosion resistance is mainly due to the protective function of aluminum. When zinc is worn, aluminum forms a layer of dense alumina to prevent corrosion resistant substances from further corroding the interior) Heat resistance (aluminum zinc alloy steel plate has good heat resistance and can withstand a high temperature of more than 300 degrees Celsius, which is very similar to the high-temperature oxidation resistance of aluminum plated steel plate), thermal reflectance (the thermal reflectance of aluminum plated steel plate is very high, which is twice that of galvanized steel plate, which is often used as heat insulation material) Economy (because the density of 55% Al Zn is smaller than that of Zn, the area of galvalume steel coils is more than 3% larger than that of plated steel plate under the condition of the same weight and the same thickness of gold plating layer).

Galvalume steel coils


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