7040 vs 7150
Property comparison of 7040 and 7150, both aluminum alloy.
| Property | 7040 | 7150 | Difference |
|---|---|---|---|
| Yield strength | 427.49 MPa | 544.7 MPa | +27% |
| Tensile strength | 496.44 MPa | 586.07 MPa | +18% |
| Elongation | 9 % | 9 % | 0% |
| Elastic modulus | 71,708 MPa | 70,329 MPa | -2% |
| Shear modulus | 26,891 MPa | 26,891 MPa | 0% |
| Poisson ratio | 0.33 | 0.33 | 0% |
| Density | 2,823 kg/m³ | 2,823 kg/m³ | 0% |
Difference is 7150 relative to 7040. 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
- 7040
- standard
- MIL-HDBK-5J
- heat treatment
- Wrought
- grade
- 7150
- standard
- MIL-HDBK-5J
- heat treatment
- Wrought
About 7xxx aluminum alloys
7xxx aluminum alloys are alloyed with zinc and reach the highest strengths in the wrought family. Weldability is poor and corrosion resistance trails 5xxx and 6xxx. 7075 is the aerospace standard for highly loaded structure; 7050 trades a small amount of strength for better fracture toughness.
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