7249 vs 7475
Property comparison of 7249 and 7475, both aluminum alloy.
| Property | 7249 | 7475 | Difference |
|---|---|---|---|
| Yield strength | 468.86 MPa | 475.76 MPa | +1% |
| Tensile strength | 524.02 MPa | 530.92 MPa | +1% |
| Elongation | 12 % | 10 % | -17% |
| Elastic modulus | 69,640 MPa | 71,019 MPa | +2% |
| Shear modulus | 26,201 MPa | 26,201 MPa | 0% |
| Poisson ratio | 0.33 | 0.33 | 0% |
Difference is 7475 relative to 7249. 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
- 7249
- standard
- MIL-HDBK-5J
- heat treatment
- Wrought
- grade
- 7475
- 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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