C68300 Brass vs. 5056 Aluminum
C68300 brass belongs to the copper alloys classification, while 5056 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 C68300 brass and the bottom bar is 5056 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 67 |
| Elongation at Break, % | 15 | |
| 4.9 to 31 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 25 |
| Shear Strength, MPa | 260 | |
| 170 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 290 to 460 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 150 to 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 190 |
| Melting Completion (Liquidus), °C | 900 | |
| 640 |
| Melting Onset (Solidus), °C | 890 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 910 |
| Thermal Conductivity, W/m-K | 120 | |
| 130 |
| Thermal Expansion, µm/m-K | 20 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 9.5 |
| Density, g/cm3 | 8.0 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 9.0 |
| Embodied Energy, MJ/kg | 46 | |
| 150 |
| Embodied Water, L/kg | 340 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 56 | |
| 12 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 | |
| 170 to 1220 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 20 | |
| 51 |
| Strength to Weight: Axial, points | 15 | |
| 30 to 48 |
| Strength to Weight: Bending, points | 16 | |
| 36 to 50 |
| Thermal Diffusivity, mm2/s | 38 | |
| 53 |
| Thermal Shock Resistance, points | 14 | |
| 13 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 93 to 95.4 |
| Antimony (Sb), % | 0.3 to 1.0 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.010 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.050 to 0.2 |
| Copper (Cu), % | 59 to 63 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.090 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 4.5 to 5.6 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.2 |
| Silicon (Si), % | 0.3 to 1.0 | |
| 0 to 0.3 |
| Tin (Sn), % | 0.050 to 0.2 | |
| 0 |
| Zinc (Zn), % | 34.2 to 40.4 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.15 |