A390.0 Aluminum vs. 7108 Aluminum
Both A390.0 aluminum and 7108 aluminum are aluminum alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is A390.0 aluminum and the bottom bar is 7108 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 75 | |
| 69 |
| Elongation at Break, % | 0.87 to 0.91 | |
| 11 |
| Fatigue Strength, MPa | 70 to 100 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 28 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 290 | |
| 350 |
| Tensile Strength: Yield (Proof), MPa | 190 to 290 | |
| 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 640 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 210 |
| Melting Completion (Liquidus), °C | 580 | |
| 630 |
| Melting Onset (Solidus), °C | 480 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 150 |
| Thermal Expansion, µm/m-K | 20 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 20 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 67 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 7.3 | |
| 8.3 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 950 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.6 to 2.6 | |
| 38 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 580 | |
| 620 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 52 | |
| 47 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 34 |
| Strength to Weight: Bending, points | 27 to 36 | |
| 38 |
| Thermal Diffusivity, mm2/s | 56 | |
| 59 |
| Thermal Shock Resistance, points | 9.0 to 14 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 75.3 to 79.6 | |
| 92.4 to 94.7 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 0.45 to 0.65 | |
| 0.7 to 1.4 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.050 |
| Silicon (Si), % | 16 to 18 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.050 |
| Zinc (Zn), % | 0 to 0.1 | |
| 4.5 to 5.5 |
| Zirconium (Zr), % | 0 | |
| 0.12 to 0.25 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.15 |