C67500 Bronze vs. 2218 Aluminum
C67500 bronze belongs to the copper alloys classification, while 2218 aluminum belongs to the aluminum 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 C67500 bronze and the bottom bar is 2218 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 73 |
| Elongation at Break, % | 14 to 33 | |
| 6.8 to 10 |
| Poisson's Ratio | 0.3 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 27 |
| Shear Strength, MPa | 270 to 350 | |
| 210 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 580 | |
| 330 to 430 |
| Tensile Strength: Yield (Proof), MPa | 170 to 370 | |
| 260 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 220 |
| Melting Completion (Liquidus), °C | 890 | |
| 640 |
| Melting Onset (Solidus), °C | 870 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 870 |
| Thermal Conductivity, W/m-K | 110 | |
| 140 |
| Thermal Expansion, µm/m-K | 21 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 24 | |
| 37 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 27 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 11 |
| Density, g/cm3 | 8.0 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 8.2 |
| Embodied Energy, MJ/kg | 47 | |
| 150 |
| Embodied Water, L/kg | 330 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 61 to 130 | |
| 27 to 31 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 650 | |
| 450 to 650 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 45 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 30 to 39 |
| Strength to Weight: Bending, points | 16 to 19 | |
| 34 to 41 |
| Thermal Diffusivity, mm2/s | 34 | |
| 52 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 15 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.25 | |
| 88.8 to 93.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 57 to 60 | |
| 3.5 to 4.5 |
| Iron (Fe), % | 0.8 to 2.0 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 1.2 to 1.8 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 | |
| 1.7 to 2.3 |
| Silicon (Si), % | 0 | |
| 0 to 0.9 |
| Tin (Sn), % | 0.5 to 1.5 | |
| 0 |
| Zinc (Zn), % | 35.1 to 41.7 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |