7108A Aluminum vs. 5040 Aluminum
Both 7108A aluminum and 5040 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 7108A aluminum and the bottom bar is 5040 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 70 |
| Elongation at Break, % | 11 to 13 | |
| 5.7 to 6.8 |
| Fatigue Strength, MPa | 120 to 130 | |
| 100 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 210 | |
| 140 to 150 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 240 to 260 |
| Tensile Strength: Yield (Proof), MPa | 290 to 300 | |
| 190 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 190 |
| Melting Completion (Liquidus), °C | 630 | |
| 650 |
| Melting Onset (Solidus), °C | 520 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 | |
| 160 |
| Thermal Expansion, µm/m-K | 24 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 41 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 2.9 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 44 | |
| 14 to 15 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 640 | |
| 260 to 380 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 50 |
| Strength to Weight: Axial, points | 33 to 34 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 38 | |
| 31 to 32 |
| Thermal Diffusivity, mm2/s | 59 | |
| 64 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 10 to 11 |
Alloy Composition
| Aluminum (Al), % | 91.6 to 94.4 | |
| 95.2 to 98 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0.1 to 0.3 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 to 0.25 |
| Gallium (Ga), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0.7 to 1.5 | |
| 1.0 to 1.5 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0.9 to 1.4 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 4.8 to 5.8 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0.15 to 0.25 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |