7175 Aluminum vs. C66100 Bronze
7175 aluminum belongs to the aluminum alloys classification, while C66100 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 7175 aluminum and the bottom bar is C66100 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 120 |
| Elongation at Break, % | 3.8 to 5.9 | |
| 8.0 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 26 | |
| 43 |
| Shear Strength, MPa | 290 to 330 | |
| 280 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 570 | |
| 410 to 790 |
| Tensile Strength: Yield (Proof), MPa | 430 to 490 | |
| 120 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 640 | |
| 1050 |
| Melting Onset (Solidus), °C | 480 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 400 |
| Thermal Conductivity, W/m-K | 140 | |
| 34 |
| Thermal Expansion, µm/m-K | 23 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 29 |
| Density, g/cm3 | 3.0 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 2.6 |
| Embodied Energy, MJ/kg | 150 | |
| 42 |
| Embodied Water, L/kg | 1130 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 29 | |
| 53 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1310 to 1730 | |
| 60 to 790 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 46 | |
| 19 |
| Strength to Weight: Axial, points | 48 to 52 | |
| 13 to 25 |
| Strength to Weight: Bending, points | 48 to 51 | |
| 14 to 22 |
| Thermal Diffusivity, mm2/s | 53 | |
| 9.7 |
| Thermal Shock Resistance, points | 23 to 25 | |
| 15 to 29 |
Alloy Composition
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| Aluminum (Al), % | 88 to 91.4 | |
| 0 |
| Chromium (Cr), % | 0.18 to 0.28 | |
| 0 |
| Copper (Cu), % | 1.2 to 2.0 | |
| 92 to 97 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0.2 to 0.8 |
| Magnesium (Mg), % | 2.1 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.15 | |
| 2.8 to 3.5 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 5.1 to 6.1 | |
| 0 to 1.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |