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AA 2218 |
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| Category | Aluminum Alloy |
| Class | Wrought |
| Composition |
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| Element | Weight % |
| Al |
92.50 |
| Cu |
4.0 |
| Mg |
1.5 |
| Ni |
2.0 |
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| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
2.81 |
25 |
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| Poisson's Ratio |
0.33 |
25 |
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| Elastic Modulus (GPa) |
70-80
|
25 |
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| Tensile Strength (Mpa) |
405 |
25 |
T61 more |
| Yield Strength (Mpa) |
305 |
| Elongation (%) |
|
| Reduction in Area (%) |
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| Hardness (HB500) |
115 |
25 |
T61 more |
| Shear Strength (MPa) |
205 |
25 |
T72 |
| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
22.3 |
20-100 |
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| Thermal Conductivity (W/m-K) |
148 |
25 |
T61 more |
| Electric Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Electric Resistivity (10-9W-m) |
45 |
25 |
T61 more |
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