C63800 Bronze vs. 7050 Aluminum
C63800 bronze belongs to the copper alloys classification, while 7050 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 C63800 bronze and the bottom bar is 7050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Elongation at Break, % | 7.9 to 41 | |
| 2.2 to 12 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 26 |
| Shear Strength, MPa | 320 to 500 | |
| 280 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1010 | |
| 490 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 1030 | |
| 630 |
| Melting Onset (Solidus), °C | 1000 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 860 |
| Thermal Conductivity, W/m-K | 40 | |
| 140 |
| Thermal Expansion, µm/m-K | 17 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 10 |
| Density, g/cm3 | 8.6 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 8.2 |
| Embodied Energy, MJ/kg | 45 | |
| 150 |
| Embodied Water, L/kg | 330 | |
| 1120 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 45 |
| Strength to Weight: Axial, points | 15 to 33 | |
| 45 to 51 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 45 to 50 |
| Thermal Diffusivity, mm2/s | 11 | |
| 54 |
| Thermal Shock Resistance, points | 17 to 36 | |
| 21 to 25 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.1 | |
| 87.3 to 92.1 |
| Chromium (Cr), % | 0 | |
| 0 to 0.040 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 92.4 to 95.8 | |
| 2.0 to 2.6 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.1 | |
| 0 to 0.12 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 0 to 0.8 | |
| 5.7 to 6.7 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.15 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |