2024 vs 2124
Property comparison of 2024 and 2124, both aluminum alloy.
| Property | 2024 | 2124 | Difference |
|---|---|---|---|
| Yield strength | 76 MPa | 393.02 MPa | +417% |
| Tensile strength | 186 MPa | 455.07 MPa | +145% |
| Elongation | 20 % | 6 % | -70% |
| Elastic modulus | 73,000 MPa | 71,708 MPa | -2% |
| Shear modulus | 26,000 MPa | 27,580 MPa | +6% |
| Poisson ratio | 0.33 | 0.33 | 0% |
| Density | 2,700 kg/m³ | 2,768 kg/m³ | +3% |
Difference is 2124 relative to 2024. 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
- grade
- —
- standard
- MIL-HDBK-5J
- heat treatment
- Wrought
- grade
- 2124
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.
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators