Selecting the correct aluminum alloy is critical because it affects corrosion resistance, strength, fabrication performance, and project cost.
The most common alloys include:
| Alloy | Typical Application |
|---|---|
| AA3003 | Architectural panels |
| AA3004 | High-strength façade systems |
| AA5005 | Decorative anodized panels |
| AA5052 | Marine and transportation |
| AA5754 | Offshore applications |
| AA6061 | Structural engineering |
| AA6063 | Extrusion frame systems |
Among these, AA3003 is the most widely used because it offers an excellent balance of corrosion resistance, formability, and cost.
For marine environments, coastal buildings, and chemically aggressive conditions, AA5052 is generally preferred due to its superior resistance to saltwater corrosion.
Choosing the appropriate alloy should always consider the installation environment, expected service life, and structural requirements.
