2026 vs 2124
Property comparison of 2026 and 2124, both aluminum alloy.
| Property | 2026 | 2124 | Difference |
|---|---|---|---|
| Yield strength | 372.33 MPa | 393.02 MPa | +6% |
| Tensile strength | 503.34 MPa | 455.07 MPa | -10% |
| Elongation | 10 % | 6 % | -40% |
| Elastic modulus | 73,777 MPa | 71,708 MPa | -3% |
| Shear modulus | 27,580 MPa | 27,580 MPa | 0% |
| Poisson ratio | 0.33 | 0.33 | 0% |
| Density | 2,768 kg/m³ | 2,768 kg/m³ | 0% |
Difference is 2124 relative to 2026. 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
- 2026
- standard
- MIL-HDBK-5J
- heat treatment
- Wrought
- grade
- 2124
- standard
- MIL-HDBK-5J
- 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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