7049 Aluminum vs. C31600 Bronze
7049 aluminum belongs to the aluminum alloys classification, while C31600 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 7049 aluminum and the bottom bar is C31600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 110 |
| Elongation at Break, % | 6.2 to 7.0 | |
| 6.7 to 28 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 42 |
| Shear Strength, MPa | 300 to 310 | |
| 170 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 510 to 530 | |
| 270 to 460 |
| Tensile Strength: Yield (Proof), MPa | 420 to 450 | |
| 80 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 1040 |
| Melting Onset (Solidus), °C | 480 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 860 | |
| 380 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 33 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 29 |
| Density, g/cm3 | 3.1 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 2.7 |
| Embodied Energy, MJ/kg | 140 | |
| 43 |
| Embodied Water, L/kg | 1110 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 34 | |
| 30 to 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1270 to 1440 | |
| 28 to 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 45 | |
| 18 |
| Strength to Weight: Axial, points | 46 to 47 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 46 to 47 | |
| 11 to 15 |
| Thermal Diffusivity, mm2/s | 51 | |
| 42 |
| Thermal Shock Resistance, points | 22 to 23 | |
| 9.4 to 16 |
Alloy Composition
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| Aluminum (Al), % | 85.7 to 89.5 | |
| 0 |
| Chromium (Cr), % | 0.1 to 0.22 | |
| 0 |
| Copper (Cu), % | 1.2 to 1.9 | |
| 87.5 to 90.5 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.3 to 2.5 |
| Magnesium (Mg), % | 2.0 to 2.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.7 to 1.2 |
| Phosphorus (P), % | 0 | |
| 0.040 to 0.1 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 7.2 to 8.2 | |
| 5.2 to 10.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |