2014 vs 2219
Property comparison of 2014 and 2219, both aluminum alloy.
| Property | 2014 | 2219 | Difference |
|---|---|---|---|
| Yield strength | 97 MPa | 409 MPa | +322% |
| Tensile strength | 186 MPa | 496.75 MPa | +167% |
| Elongation | 18 % | 13.35 % | -26% |
| Elastic modulus | 73,000 MPa | 81,200 MPa | +11% |
| Shear modulus | 26,000 MPa | 30,600 MPa | +18% |
| Poisson ratio | 0.33 | 0.325 | -2% |
| Density | 2,700 kg/m³ | 2,820 kg/m³ | +4% |
| Thermal conductivity | 151 W/m·K | 100 W/m·K | -34% |
| Specific heat | 880 J/kg·K | 736 J/kg·K | -16% |
| Coefficient of thermal expansion | 0.000023 1/K | 0.000021 1/K | -9% |
Difference is 2219 relative to 2014. 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
- NISTIR 3971
- heat treatment
- T87
- grade
- 2219-T87
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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