Aluminium alloy 3003 is a medium strength alloy with very good resistance to atmospheric corrosion and very good weldability as well as good cold formability. It has better mechanical properties, especially at elevated temperatures than the 1000 series alloys.
Chemical Composition:
| Chemical Element | % Present |
| Others (Total) | 0.0 - 0.15 |
| Cobalt (Co) | 0.05 - 0.20 |
| Hydrogen (H) | 0.0 - 0.70 |
| Magnesium (Mg) | 1.00 - 1.50 |
| Silicon + Iron (Si+Fe) | 0.0 - 0.60 |
| Zirconium (Zr) | 0.0 - 0.10 |
| Other (Each) | 0.0 - 0.05 |
| Aluminium (Al) | Balance |
Fabrication:
Workability – Cold: Very Good
Machinability: Acceptable
Weldability – Gas: Very Good
Weldability – Arc: Very Good
Weldability – Resistance: Good
Brazability: Very Good
Solderability: Very Good
Applications:
Building industry: roofing and sidings, acoustic ceilings, corrugated sheets
Chemical and food industries: storage tanks, pipes, metal work
Equipment for heating and cooling: heat exchangers, air condition evaporators, motor vehicle radiators, freezer linings
Home appliances: cooking utensils, bakery moulds
Office equipment
Tube & Pipe
Packaging:
containers, closures. Cladding alloy.
