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Description:Name: Al-Zn coated steel coil Standard: JIS G3302 /national standard/ enterprise standard Grade: DC51D+AZ etc. Surface treatment: chromated. Oiled, bright finish, fingerprint resistance Thickness: 0.2mm-1.2mm Width: 800mm-1,250mm Coating weight: 120g-275g Coil weight: as per customers' requests ID: 508mm/610mm Applications: general use, construction industry, household appliance industry, automobile industry and industrial instruments Package: fancy package or as per customers' requests Place of production: China Product properties: according to the weight rate, the coating layer of the hot-dipped galvalume steel plate consists of 55% aluminum, 43.4% zinc and 1.6% silicon. The distinctive features of the hot-dipped galvalume steel plate lie in its excellent properties of erosion resistance and damp heat resistance; the erosion resistance of the hot-dipped galvalume steel plate is 2-6 times higher than that of the ordinary hot-dipped galvanized steel plate. The damp heat resistance of hot-dipped galvalume steel plate is more than 3 times higher than that of the ordinary one. Meanwhile, as well tried, the hot-dipped galvalume steel plate has the high temperature erosion resistance property. The hot-dipped galvalume steel plate will not fade after being oxidized for a week (168 hours) at a high temperature of 315°C. Even at a temperature as high as 700°C, the hot-dipped galvalume steel plate can still be free from severe oxidization and scale formation while the highest working temperature for the ordinary galvanized steel plate is only 230°C. Besides, the hot-dipped galvalume steel plate has good cold-roll forming performance, stationarity, weldability and painting viscosity. What's more, because of its handsome appearance, the steel plate can be put into application without being painted