771.0 Aluminum vs. 7005 Aluminum
Both 771.0 aluminum and 7005 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is 771.0 aluminum and the bottom bar is 7005 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 1.7 to 6.5 | |
| 10 to 20 |
| Fatigue Strength, MPa | 92 to 180 | |
| 100 to 190 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 370 | |
| 200 to 400 |
| Tensile Strength: Yield (Proof), MPa | 210 to 350 | |
| 95 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 630 | |
| 640 |
| Melting Onset (Solidus), °C | 620 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 140 to 150 | |
| 140 to 170 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 35 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 82 | |
| 110 to 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1130 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 20 | |
| 32 to 57 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 to 900 | |
| 65 to 850 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 47 |
| Strength to Weight: Axial, points | 23 to 35 | |
| 19 to 38 |
| Strength to Weight: Bending, points | 29 to 39 | |
| 26 to 41 |
| Thermal Diffusivity, mm2/s | 54 to 58 | |
| 54 to 65 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 8.7 to 18 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 92.5 | |
| 91 to 94.7 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0.060 to 0.2 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 0.8 to 1.0 | |
| 1.0 to 1.8 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.2 to 0.7 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 0.35 |
| Titanium (Ti), % | 0.1 to 0.2 | |
| 0.010 to 0.060 |
| Zinc (Zn), % | 6.5 to 7.5 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |