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Az30-Az257 Anti-Finger Gl Aluzinc Steel Sheet Roof Aluminium Trapezoid plate Galvalume Corrugated Roofing Sheet

Az30-Az257 Anti-Finger Gl Aluzinc Steel Sheet Roof Aluminium Trapezoid plate Galvalume Corrugated Roofing Sheet has smooth surface and excellent atmospheric corrosion resistance. Its atmospheric corrosion resistance is 2 ~ 6 times higher than that of hot-dip galvanized steel plate with the same coating thickness; At the same time, it has high-temperature corrosion resistance similar to hot-dip aluminum plate. Aluminum zinc alloy coated steel plate has the characteristics of hot-dip galvanized steel plate and hot-dip aluminum plate. Therefore, aluminum zinc alloy coated steel plate can be used wherever hot-dip galvanized steel plate is used, and can also partially replace hot-dip aluminum plate.