120g+ Coating Anti-corrosion Prepainted Galvalume Steel Coil For Building
Engineered for critical building protection, our 120g/m² coated anti-corrosion prepainted galvalume steel coil delivers unmatched defense against harsh environments. Featuring a triple-layer shield - 55% Al-Zn alloy substrate (AZ80-AZ120), heavy 120g/m² polymer coating (PE/SMP/HDP), and anti-fingerprint surface - it outperforms standard building coils with 2X longer service life in coastal/industrial zones. Certified for structural applications up to 200m heights.
Technical Parameters
| Parameter | Specification |
|---|
| Coating Weight | 120g/m² (min) |
| Zinc Coating | AZ80-AZ120 |
| Thickness | 0.2-1.5mm (±0.03mm) |
| Tensile Strength | 320-550 N/mm² |
| Salt Spray Test | 1,000hrs (ASTM B117) |
| Wind Uplift | Class F (ASTM D3161) |
| Thermal Shock | 50 cycles (ISO 6270) |
Applications
Industrial Roofing Systems:
Corrosion-resistant standing seam roofs for factories/warehouses
Commercial Curtain Walls:
High-rise cladding with 30-year color warranty
Structural Framing:
Load-bearing columns & beams in corrosive environments
Parking Garage Systems:
Impact-resistant panels with anti-skid surfaces
HVAC Ducting:
Mold-resistant interior linings for hospitals/labs
Customization
Coatings: PE (economical), SMP (15yr warranty), HDP (25yr warranty)
Colors: 200+ RAL/Pantone architectural shades + metallic finishes
Surface Textures:
Anti-fingerprint (standard), Stucco, Woodgrain, Embossed
Edge Processing:
Mill edge (coiled), Trimmed edge (sheet cutting)
Special Treatments:
Back-painting for thermal insulation
Packing and Shipping
Military-Grade Protection:
- VCI Nano-Rust Paper: Releases corrosion inhibitors during transit
- 0.3mm PE Waterproof Film: Sealed with moisture indicator strips
- Custom Steel Cradles: Prevents edge damage during crane loading
Climate Solutions:
Desiccant bags (tropical regions)
Anti-condensation film (-30°C environments)
Quality Control:
100% coil surface scanning before wrapping
GPS-tracked containers with humidity sensors
FAQ
Q: Why is 120g coating essential for coastal buildings?
A: Salt spray resistance exceeds 1,000hrs - critical for structures within 5km of coastlines.
Q: Can it be used for seismic zones?
A: Yes, 320-550 N/mm² yield strength complies with IBC 2018 seismic design Category D.
Q: Lead time for custom woodgrain finishes?
A: 22MT minimum in 21 days - sample approval within 72hrs.
Q: Packaging warranty for tropical shipments?
A: 18-month anti-corrosion guarantee with VCI + desiccant combo.
Q: Installation requirements for high-wind areas?
A: Use ASTM C1513-compliant fasteners every 300mm for Class F wind resistance.
Q: How does it compare to standard 80g coating?
A: 50% thicker coating reduces maintenance costs by 40% over 20-year lifecycle.
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120g+ Coating Anti-corrosion Prepainted Galvalume Steel Coil For Building Images
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