Al-Li 2090 vs Aluminum Alloy 2011-T3
Property comparison of Al-Li 2090 and Aluminum Alloy 2011-T3, both aluminum alloy.
| Property | Al-Li 2090 | Aluminum Alloy 2011-T3 | Difference |
|---|---|---|---|
| Yield strength | 482.5 MPa | 296 MPa | -39% |
| Tensile strength | 532.5 MPa | 379 MPa | -29% |
| Elongation | 2.1 % | 15 % | +614% |
| Elastic modulus | 79,700 MPa | 73,000 MPa | -8% |
| Shear modulus | 30,300 MPa | 26,000 MPa | -14% |
| Poisson ratio | 0.315 | 0.33 | +5% |
| Density | 2,590 kg/m³ | 2,700 kg/m³ | +4% |
| Thermal conductivity | 87.9 W/m·K | 151 W/m·K | +72% |
| Specific heat | 970 J/kg·K | 864 J/kg·K | -11% |
Difference is Aluminum Alloy 2011-T3 relative to Al-Li 2090. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- 2090-T61
- standard
- NISTIR 3971
- heat treatment
- T61
- grade
- —
- standard
- ANSI
- heat treatment
- Wrought
About 2xxx aluminum alloys
2xxx aluminum alloys are alloyed with copper. They reach the highest strengths in the wrought aluminum family but corrode faster than 5xxx or 6xxx and are difficult to weld. 2024 is the aerospace standard for skin and structure; 2014 is used for forgings.
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