Aluminium alloy 5754 offers excellent corrosion resistance, particularly to seawater and industrially polluted atmospheres. It provides higher strength than alloy 5251, making it well suited for flooring, structural, marine, and heavy-duty industrial applications. Its balanced combination of strength, formability, and weldability makes 5754 H22 a versatile alloy across multiple industries. Note: Mechanical properties listed below apply to the H22 temper.
Alloy 5754 is typically used in:
Alloy 5754
Spec: BS EN 573-3:2009
| Chemical Element | % Present |
|---|---|
| Magnesium (Mg) | 2.60 – 3.60 |
| Manganese (Mn) | 0.00 – 0.50 |
| Chromium (Cr) | 0.00 – 0.30 |
| Iron (Fe) | 0.00 – 0.40 |
| Silicon (Si) | 0.00 – 0.40 |
| Copper (Cu) | 0.00 – 0.10 |
| Zinc (Zn) | 0.00 – 0.20 |
| Aluminium (Al) | Balance |
| Other (Each) | 0.00 – 0.05 |
| Others (Total) | 0.00 – 0.15 |
| Property | Value |
|---|---|
| Density | 2.66 g/cm³ |
| Melting Point | 600 °C |
| Thermal Expansion | 24 × 10⁻⁶ /K |
| Modulus of Elasticity | 68 GPa |
| Thermal Conductivity | 147 W/m·K |
| Electrical Resistivity | 0.049 × 10⁻⁶ Ω·m |
Spec: BS EN 485-2:2008
| Property | Value |
|---|---|
| Proof Stress | ≥ 130 MPa |
| Tensile Strength | 220 – 270 MPa |
| Elongation (A50 mm) | ≥ 7 % |
| Hardness (Brinell) | 63 HB |
Alloy 5754 also corresponds to the following standard designations and specifications, though these may not be direct equivalents:
The most common tempers for aluminium alloy 5754 are listed below. H114 and H111 are the most widely used for treadplate applications:
Alloy 5754 is typically supplied in the following forms:
