6105 Aluminum vs. C38000 Brass
6105 aluminum belongs to the aluminum alloys classification, while C38000 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 6105 aluminum and the bottom bar is C38000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 100 |
| Elongation at Break, % | 9.0 to 16 | |
| 17 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 26 | |
| 39 |
| Shear Strength, MPa | 120 to 170 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 280 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 120 to 270 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 110 |
| Melting Completion (Liquidus), °C | 650 | |
| 800 |
| Melting Onset (Solidus), °C | 600 | |
| 760 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 380 |
| Thermal Conductivity, W/m-K | 180 to 190 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 22 |
| Density, g/cm3 | 2.7 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 2.7 |
| Embodied Energy, MJ/kg | 150 | |
| 46 |
| Embodied Water, L/kg | 1180 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 27 | |
| 50 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 550 | |
| 74 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 51 | |
| 19 |
| Strength to Weight: Axial, points | 20 to 29 | |
| 13 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 14 |
| Thermal Diffusivity, mm2/s | 72 to 79 | |
| 37 |
| Thermal Shock Resistance, points | 8.6 to 12 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 97.2 to 99 | |
| 0 to 0.5 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 55 to 60 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 | |
| 1.5 to 2.5 |
| Magnesium (Mg), % | 0.45 to 0.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Silicon (Si), % | 0.6 to 1.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 35.9 to 43.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.5 |