Aluminum Alloy 2011-T3 vs Aluminum Alloy 2011-T8
Property comparison of Aluminum Alloy 2011-T3 and Aluminum Alloy 2011-T8, both aluminum alloy.
| Property | Aluminum Alloy 2011-T3 | Aluminum Alloy 2011-T8 | Difference |
|---|---|---|---|
| Yield strength | 296 MPa | 310 MPa | +5% |
| Tensile strength | 379 MPa | 407 MPa | +7% |
| Elongation | 15 % | 12 % | -20% |
| Elastic modulus | 73,000 MPa | 73,000 MPa | 0% |
| Shear modulus | 26,000 MPa | 26,000 MPa | 0% |
| Poisson ratio | 0.33 | 0.33 | 0% |
| Density | 2,700 kg/m³ | 2,700 kg/m³ | 0% |
| Brinell hardness | 95 HB | 100 HB | +5% |
| Thermal conductivity | 151 W/m·K | 151 W/m·K | 0% |
| Specific heat | 864 J/kg·K | 864 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000023 1/K | 0.000023 1/K | 0% |
| Melting point | 510 °C | 510 °C | 0% |
Difference is Aluminum Alloy 2011-T8 relative to Aluminum Alloy 2011-T3. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ANSI
- heat treatment
- Wrought
- 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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