galvalume density of galvanized steel sheet coil az275 az150 price:Aluminum zinc plate is widely used in building materials, home appliances, automobiles, environment, machinery, ships and many other fields of an alloy coating plate.
High quality ,High strength, Best price, AZ30-AZ275
The corrosion resistance of "galvalume steel pipes" is mainly due to the protective function of aluminum. When the zinc is worn, the aluminum forms a layer of dense alumina that prevents the corrosion-resistant material from further corroding the interior. There is a test was carried out under the premise of hot-dip galvalume steel sheets and galvanized steel sheets of the same thickness, plating layer and surface treatment method. Aluminized zinc has excellent corrosion resistance than hot-dip galvanizing, and its service life is 2-6 times that of ordinary galvanized steel.
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