3003 aluminium alloy is a commercially pure aluminium which boasts excellent mechanical properties and is a widely used aluminium throughout industry. It is a medium strength alloy with very good resistance to atmospheric corrosion. The alloy boasts improved mechanical properties when compared with 1000 series alloys and is 20% stronger than 1100.
Alloy 3003 is typically used for:
Alloy 3003
Spec: weight %
| Chemical Element | % Present |
|---|---|
| Manganese (Mn) | 1.10 - 1.50 |
| Iron (Fe) | 0.0 - 0.70 |
| Copper (Cu) | 0.05 - 0.20 |
| Magnesium (Mg) | 0.0 - 0.05 |
| Silicon (Si) | 0.0 - 0.60 |
| Zinc (Zn) | 0.0 - 0.10 |
| Others | 0.0 - 0.15 |
| Aluminium (Al) | Balance |
Alloy 3003
| Property | Value |
|---|---|
| Density | 2.73 g/cm³ |
| Melting Point | 655 °C |
| Thermal Expansion | 23.1 x 10⁻⁶ / K |
| Modulus of Elasticity | 69.5 GPa |
| Thermal Conductivity | 190 W/m·K |
Condition: Soft 'O' condition
| Property | Value |
|---|---|
| Tensile Strength | 110 MPa |
| Elongation A50 mm | 25% |
| Shear Strength | 75 MPa |
| Hardness Vickers | 29 HV |
| Proof Stress | 50 MPa |
Alloy 3003 weldability is rated Very Good.