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55%-AL Galvalume Steel Coil, also known as GL (Galvalume), is a type of coated steel coil that consists of a continuous hot-dipped metallic coating of 55% aluminum and 45% zinc.
Key words: 55%-AL Galvalume steel sheet(GL)
The combination of aluminum and zinc provides enhanced corrosion resistance and greater longevity compared to traditional galvanized steel.
The aluminum in the coating provides excellent barrier protection against corrosion, even in harsh environments. It acts as a sacrificial layer, protecting the underlying steel from rust and maintaining its structural integrity.
The zinc in the Galvalume coating provides galvanic protection by actively corroding to protect any exposed edges or scratches on the steel surface.