7108A Aluminum vs. 8176 Aluminum
Both 7108A aluminum and 8176 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is 7108A aluminum and the bottom bar is 8176 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 69 |
| Elongation at Break, % | 11 to 13 | |
| 15 |
| Fatigue Strength, MPa | 120 to 130 | |
| 59 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 210 | |
| 70 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 160 |
| Tensile Strength: Yield (Proof), MPa | 290 to 300 | |
| 95 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 170 |
| Melting Completion (Liquidus), °C | 630 | |
| 660 |
| Melting Onset (Solidus), °C | 520 | |
| 650 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 | |
| 230 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 61 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 200 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 2.9 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 44 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 640 | |
| 66 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 50 |
| Strength to Weight: Axial, points | 33 to 34 | |
| 16 |
| Strength to Weight: Bending, points | 38 | |
| 24 |
| Thermal Diffusivity, mm2/s | 59 | |
| 93 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 7.0 |
Alloy Composition
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| Aluminum (Al), % | 91.6 to 94.4 | |
| 98.6 to 99.6 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Gallium (Ga), % | 0 to 0.030 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.3 | |
| 0.4 to 1.0 |
| Magnesium (Mg), % | 0.7 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0.030 to 0.15 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 4.8 to 5.8 | |
| 0 to 0.1 |
| Zirconium (Zr), % | 0.15 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |