It is important to note that base metals can be combined, coated, or layered with additional metals in a variety of bonding processes. Two popular roofing materials that use this process of binding two or more dissimilar metals are referred to as galvanized and galvalume, each of which use steel as the base metal. Iron or steel can be coated with zinc; this is known as a galvanized metal. The zinc acts as a protective layer to iron or steel to prevent rust.
Galvanized Aluminum Roofing Sheets adds zinc, aluminum and silicon.As the coating dries, fragments of aluminum and zincmolecules coalesced into a pattern on the surface of the sheet.Aluminum areas provide corrosion resistance, zinc provides plating protection.
Galvanized Aluminum Corrugated Roofing Sheets Specification
Commodity | Galvanized Aluminum corrugated Roofing Sheets |
Base Material | Galvalume Steel Coil |
Grade | SGCC,DX51D+Z/DC51D+Z,DX52D+Z/DC52D+Z,S220GD-S550GD+Z |
Thickness | 0.13-0.8mm |
Width | 762mm,914mm,1000mm,1200mm,1219mm,1220mm,1250mm |
Zinc Aluminium coating | 30-275g/m2 |
Tolerance | Thickness:+/-0.01mm Width:+/-0.02mm |
Shipments | Within 15-30 days after receiving your deposit |
Package | Plastic film, Waterproof paper ,galvanized steel covered and steel strips packed |
Shapes of Galvanized Aluminum Corrugated Roofing Sheets
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