C52100 Bronze vs. 7020 Aluminum
C52100 bronze belongs to the copper alloys classification, while 7020 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 C52100 bronze and the bottom bar is 7020 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 70 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 41 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 800 | |
| 190 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 210 |
| Melting Completion (Liquidus), °C | 1030 | |
| 650 |
| Melting Onset (Solidus), °C | 880 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 880 |
| Thermal Conductivity, W/m-K | 62 | |
| 150 |
| Thermal Expansion, µm/m-K | 18 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 39 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 13 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 9.5 |
| Density, g/cm3 | 8.8 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 8.3 |
| Embodied Energy, MJ/kg | 55 | |
| 150 |
| Embodied Water, L/kg | 370 | |
| 1150 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 47 |
| Strength to Weight: Axial, points | 12 to 25 | |
| 18 to 37 |
| Strength to Weight: Bending, points | 13 to 22 | |
| 25 to 41 |
| Thermal Diffusivity, mm2/s | 19 | |
| 59 |
| Thermal Shock Resistance, points | 14 to 28 | |
| 8.3 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 91.2 to 94.8 |
| Chromium (Cr), % | 0 | |
| 0.1 to 0.35 |
| Copper (Cu), % | 89.8 to 93 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.0 to 1.4 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.5 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Tin (Sn), % | 7.0 to 9.0 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.2 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.25 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |