7108A Aluminum vs. C67400 Bronze
7108A aluminum belongs to the aluminum alloys classification, while C67400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 7108A aluminum and the bottom bar is C67400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 110 |
| Elongation at Break, % | 11 to 13 | |
| 22 to 28 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 26 | |
| 41 |
| Shear Strength, MPa | 210 | |
| 310 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 480 to 610 |
| Tensile Strength: Yield (Proof), MPa | 290 to 300 | |
| 250 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 130 |
| Melting Completion (Liquidus), °C | 630 | |
| 890 |
| Melting Onset (Solidus), °C | 520 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 400 |
| Thermal Conductivity, W/m-K | 150 | |
| 100 |
| Thermal Expansion, µm/m-K | 24 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 23 |
| Density, g/cm3 | 2.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 2.8 |
| Embodied Energy, MJ/kg | 150 | |
| 48 |
| Embodied Water, L/kg | 1150 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 44 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 640 | |
| 300 to 660 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 47 | |
| 20 |
| Strength to Weight: Axial, points | 33 to 34 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 38 | |
| 17 to 20 |
| Thermal Diffusivity, mm2/s | 59 | |
| 32 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 16 to 20 |
Alloy Composition
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| Aluminum (Al), % | 91.6 to 94.4 | |
| 0.5 to 2.0 |
| Chromium (Cr), % | 0 to 0.040 | |
| 0 |
| Copper (Cu), % | 0 to 0.050 | |
| 57 to 60 |
| Gallium (Ga), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.7 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.050 | |
| 2.0 to 3.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.2 | |
| 0.5 to 1.5 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 4.8 to 5.8 | |
| 31.1 to 40 |
| Zirconium (Zr), % | 0.15 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |