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Al-Mg-Mn Alloy AA3004 Coloured Aluminium Sheet For Curved Curtain Wall

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Qingdao Jero Steel Co., Ltd.

City: qingdao

Country/Region:china

Tel:86-0532-8787-6524

Contact Person:
Mr.Gary Lee
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Al-Mg-Mn Alloy AA3004 Coloured Aluminium Sheet For Curved Curtain Wall

Brand Name JERO
Model Number JC26
Certification SONCAP SGS CNCA CE QM
Place of Origin CHINA
Minimum Order Quantity 7 tons
Price 3100-3200USD/TON
Payment Terms L/C,T/T,Western Union,MoneyGram
Supply Ability 5,000 TONS PER MONTH
Delivery Time 18-25 working days
Packaging Details Seaworthy Standard Export Package
Type Painted aluminum coil
Alloy 3004
Surface Bright
Coating PVDF
Front coating 20-25 microns
Back coating 5+10 microns
Application Curtain wall
Detailed Product Description


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:

  • Curtain walls (weather-resistant, UV-proof)

  • Roofing systems (lightweight, corrosion-resistant)

  • Architectural decoration (versatile colors/finishes, easy fabrication)

Standard Specifications


ParameterSpecificationNotes
Thickness1.5-3.0mmThinner (<1.5mm) may deform; thicker (>3.0mm) complicates complex shaping
TemperH34/H44H34 (half-hard): balances strength/formability; H44: better corrosion resistance
Surface FinishPVDF fluorocarbon coating (2-coat system)Must meet ASTM D7863 for 25+ year color retention
Elongation≥10% (H34 temper)Ensures crack-free cold bending for complex curves



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



MaterialMinimum Curve RadiusWeatheringMaintenance
3004 Aluminum≥1.5mExcellent (PVDF)Low (self-cleaning)
Stainless Steel≥3mOutstandingModerate (smudging)



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



Product Tags: AA3004 Coloured Aluminium Sheet   Curved Curtain Wall Aluminium Sheet   Al-Mg-Mn Alloy Aluminium Sheet  
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