High Wind-load Resistance 3003 3004 Aluminum Alloy Coil for Curtain Wall

Aluminum material for the curtain wall, the natural oxide layer combined with PVDF/anodized

coatings resists UV/salt corrosion, delivering 25+ years service life with minimal maintenance.

Alloy Material Selection Guide

Key Advantages

✅ Lightweight & High Strength

Density: 2.7g/cm³ (1/3 of steel), reducing structural load

5052-H32: Tensile strength ≥230MPa; 6061-T6: Up to 310MPa

✅ Superior Weather Resistance

Natural oxide layer resists UV; Anodizing triples durability

5,000-hour salt spray test (GB/T 10125 compliant)

✅ Design Flexibility

Roll-forming, bending, stamping (min. bend radius = thickness)

Supports parametric curved designs (e.g., double-curvature walls)

✅ Diverse Surface Finishes

✅ Energy Efficiency

Solar reflectance ≥80% (reduces cooling costs)

100% recyclable; recycled aluminum uses 95% less energy

Global Case Studies

✦ Shanghai World Financial Center: 5052-H32, 3.0mm PVDF-coated

✦ Burj Khalifa, Dubai: 6061-T6 frames + 3004 panels (withstands Category 8 winds)

✦ Beijing Daxing Airport: 2.5mm anodized double-curved panels

Our Company Advantages

• All the melting and holding furnaces are supplied by GAUTSCHI (Switzerland) Company.They
improve the quality of Aluminum alloy slab which can guarantee Aluminium alloy products with
high performance.

• 1+1+4 hot rolling mills and 1+5 hot rolling mills from SMS Group (Germany). All the hot finishing
rolling mills adopt the CVC flatness control technology, which can produce hot-rolled coils and sheets
with ideal flatness.

• 6 sets of cold rolling mills from SMS Group (Germany). All these mills are applied with SMS patent
6-High CVC technology and are the most advanced cold rolling mills in the world currently.

Qingdao Jero steel company is a professional raw material integrated supplier, located in the beautiful costal city, Qingdao,

mainly product is steel material and Aluminum alloy sheet/coil.

We own a very comfortable work environment, and humanized management system, we hope that a job can not only bring

salary, ability, friendship, experience, but also bring happiness, passion, and the sense of achievement.

• We guarantee the product quality by our inspection team, professional equipment, that is the key point for getting a stable

 and sustainable development.

• We have strictly constraint for every step, such as production, package, inspection, delivery etc.

• Besides, we have excellent sales team, each member have over 4 years raw material export experience, they can judge the

 market changes to a certain extent and provide some reasonable advice for customers.

A stable customer can bring us good reputation and constantly economic benefit. For the past years, relying on a perfect quality

management system and a rigorous service attitude, we get a trusted brand image in the minds of customers.