6018 Aluminum vs. C42600 Brass
6018 aluminum belongs to the aluminum alloys classification, while C42600 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 6018 aluminum and the bottom bar is C42600 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 110 |
| Elongation at Break, % | 9.0 to 9.1 | |
| 1.1 to 40 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 42 |
| Shear Strength, MPa | 170 to 180 | |
| 280 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 300 | |
| 410 to 830 |
| Tensile Strength: Yield (Proof), MPa | 220 to 230 | |
| 220 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 1030 |
| Melting Onset (Solidus), °C | 570 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 380 |
| Thermal Conductivity, W/m-K | 170 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 31 |
| Density, g/cm3 | 2.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 2.9 |
| Embodied Energy, MJ/kg | 150 | |
| 48 |
| Embodied Water, L/kg | 1180 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 25 | |
| 9.4 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 380 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 48 | |
| 18 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 13 to 27 |
| Strength to Weight: Bending, points | 34 to 35 | |
| 14 to 23 |
| Thermal Diffusivity, mm2/s | 65 | |
| 33 |
| Thermal Shock Resistance, points | 13 | |
| 15 to 29 |
Alloy Composition
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| Aluminum (Al), % | 93.1 to 97.8 | |
| 0 |
| Bismuth (Bi), % | 0.4 to 0.7 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 87 to 90 |
| Iron (Fe), % | 0 to 0.7 | |
| 0.050 to 0.2 |
| Lead (Pb), % | 0.4 to 1.2 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.6 to 1.2 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.050 to 0.2 |
| Phosphorus (P), % | 0 | |
| 0.020 to 0.050 |
| Silicon (Si), % | 0.5 to 1.2 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 4.0 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 5.3 to 10.4 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.2 |