The galvalume steel sheet is composed of aluminum-zinc alloy structure, which is composed of 55% aluminum, 43.4% zinc and 1.6% silicon solidified at a high temperature of 600℃. Its entire structure is composed of aluminum-iron-silicon-zinc, forming a dense quaternary crystal. Of an alloy. Galvanized aluminum steel sheet has many excellent characteristics: strong corrosion resistance, 3 times that of pure galvanized sheet; beautiful spangles on the surface, which can be used as building exterior panels. Aluminum-zinc alloy steel sheet has good heat resistance and can withstand high temperatures of more than 300 degrees Celsius. It is very similar to the high temperature oxidation resistance of aluminized steel plate. It is often used in chimney pipes, ovens, luminaires and fluorescent lampshades.

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