Galvalume Steel Coil – Product Specifications
| Specification | Typical Range / Options | Notes / Applications |
|---|---|---|
| Material & Coating Composition | 55% Aluminum / 43.4% Zinc / 1.5% Silicon | Superior corrosion resistance compared with conventional galvanized steel |
| Standards / Grade | ASTM A792 / EN 10346 / JIS G3321 | Ensures international quality compliance |
| Steel Grade (Base Metal) |
DX51D+AZ / DX52D+AZ / DX53D+AZ S220GD+AZ / S250GD+AZ / S280GD+AZ / S350GD+AZ / S550GD+AZ |
Controls strength, formability, and structural performance |
| Thickness | 0.12 mm – 4.0 mm (±0.02 mm tolerance) | Custom thickness available for specific applications |
| Width | 600 mm – 1500 mm (customizable) | Adaptable to different processing and fabrication needs |
| Coil Inner Diameter (ID) | 508 mm / 610 mm | Standard coil ID for shipping and processing |
| Coil Outer Diameter (OD) | Up to ~1800 mm | Depends on coil weight and supplier |
| Coil Weight | 2 – 8 metric tons (customizable) | Flexible for shipment and handling |
| Al-Zn Coating (AZ Grade) | AZ30 – AZ275 g/m² |
Light AZ: AZ30–AZ80 – indoor/mild use Medium AZ: AZ100–AZ150 – general construction Heavy AZ: AZ180–AZ275 – coastal/outdoor protection |
| Surface Finish | Regular Spangle / Mini Spangle / Zero Spangle | Appearance and paint adhesion performance |
| Surface Treatment | Chromated / Non-Chromated / Oiled / Dry / AFP / Skin-Passed | Improves flatness, storage, and handling |
| Typical Applications | Roofing & Wall Cladding / PPGL Base Material / HVAC & Ducting / Appliances / Structural Fabrication | Used in construction, architectural, and industrial projects |
