Aluminum Alloy 7178-T7651 vs Aluminum Alloy Alclad 7178-T651
Property comparison of Aluminum Alloy 7178-T7651 and Aluminum Alloy Alclad 7178-T651, both aluminum alloy.
| Property | Aluminum Alloy 7178-T7651 | Aluminum Alloy Alclad 7178-T651 | Difference |
|---|---|---|---|
| Yield strength | 503 MPa | 490 MPa | -3% |
| Tensile strength | 572 MPa | 558 MPa | -2% |
| Elongation | 10 % | 10 % | 0% |
| Elastic modulus | 73,000 MPa | 73,000 MPa | 0% |
| Shear modulus | 26,000 MPa | 26,000 MPa | 0% |
| Poisson ratio | 0.33 | 0.33 | 0% |
| Density | 2,700 kg/m³ | 2,700 kg/m³ | 0% |
| Thermal conductivity | 130 W/m·K | 130 W/m·K | 0% |
| Specific heat | 856 J/kg·K | 856 J/kg·K | 0% |
| Coefficient of thermal expansion | 0.000024 1/K | 0.000024 1/K | 0% |
| Melting point | 477 °C | 477 °C | 0% |
Difference is Aluminum Alloy Alclad 7178-T651 relative to Aluminum Alloy 7178-T7651. 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
- standard
- ANSI
- 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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