Aluminium Alloy 5042O – High-Strength, Non‑Heat‑Treatable Wrought Metal
High strength after welding. Very resistant to seawater and industrial atmospheres. Used in applications for pressurized vessels.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 2.67 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 23.0 °C | 71 GPa |
Shear modulus | 23.0 °C | 27.6 GPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 2.4E-5 1/K | 20-100°C |
Thermal conductivity | 23.0 °C | 125 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 23.0 °C | 5.7E-8 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Chromium | 0.1 % |
Copper | 0.15 % |
Iron | 0.35 % |
Magnesium | 3 - 4 % |
Manganese | 0.2 - 0.5 % |
Other | 0.05 - 0.15 % |
Silicon | 0.2 % |
Titanium | 0.1 % |
Zinc | 0.25 % |
Technological properties
| Property | ||
|---|---|---|
| Anodizing | Excellent (anodizing quality) | |
| Application areas | Vessels: Pressure; Wind energy: Nacelle coverings, rotor hub, stairs; Food can: Body, Lids; Components: Access hatches, Spoilers, General transportation | |
| Corrosion properties | Excellent | |
| Welding | Good | |
| Workability | Good (in O temper) | |
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