Al-Mg-Mn Alloy AA3004 Coloured Aluminium Sheet For Curved Curtain Wall
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Al-Mg-Mn Alloy AA3004 Coloured Aluminium Sheet For Curved Curtain Wall AA3004 series alloy demonstrates moderate-to-high mechanical strength with outstanding corrosion resistance, particularly against atmospheric conditions. It performs exceptionally well in humid and saline environments. The material offers excellent processing characteristics including cold-forming capability, weldability, and surface treatment adaptability. Primarily used for:
Standard Specifications
Key Characteristics of 3004 Aluminum Coil 3004 is an Al-Mn-Mg series alloy (typically supplied in H34/H44 tempers) that, when color-coated, exhibits:
Mechanical Properties
Tensile strength: 180-240 MPa (H34 temper reaches ≥240 MPa) Elongation: ≥8% (H34), excellent for stamping and forming
Corrosion Resistance
Mn and Mg elements enhance atmospheric/rain corrosion resistance Formability
Excellent bendability and deep-drawing capability for complex facade shapes
Performance Advantages for Double-Curved Facades ♦ Formability
High ductility (Mn/Mg alloying) enables cold bending for radii ≥1.5m (requires specialized roll-forming equipment). ♦ Lightweight & Cost-Effective
1/3 the weight of glass facades, reducing structural costs with 30% faster installation.
♦ Aesthetic Flexibility
Custom PVDF colors (metallic, woodgrain effects) with UV resistance (ΔE<3 after 15 years)
♦ Weather Resistance
Stable performance across -40℃ to 80℃ with no cracking/deformation
♦ Cost Efficiency
Lower lifecycle cost vs stainless steel/zinc; minimal maintenance (cleaning only) Comparison with Other Curved Facade Materials
Notable Project Applications ✅ Skyscrapers: Shanghai World Financial Center (decorative elements)
✅ Airports: Beijing Daxing Airport (curved sunshades)
✅ Commercial Complexes: Parametric facade systems Company Advantages Advanced Equipment • >German SMS Group fully automated coating lines with ±0.01mm thickness precision, Line Speed: 120m/min (20% faster than industry average data)
• >MES system enables real-time production monitoring with ≥99.3% product qualification rate
• Multi-spectral imaging detects micro-defects as small as 0.02mm² with 99.8% recognition accuracy Technology Patents
♦ Anti-Static Color Aluminum Coil and Continuous Production System ♦ Chromium-Free Passivation Solution for Color-Coated Aluminum Coils and Preparation Method ♦ Production Process for High Solar-Reflectance Color Aluminum Coils ♦ Method for Preparing 3D Wood Grain Aluminum Coil Based on Nanoimprint Technology ♦ Low-Temperature Curing Technology |
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Product Tags: AA3004 Coloured Aluminium Sheet Curved Curtain Wall Aluminium Sheet Al-Mg-Mn Alloy Aluminium Sheet |
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