201.0 Aluminum vs. C47940 Brass
201.0 aluminum belongs to the aluminum alloys classification, while C47940 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 201.0 aluminum and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 100 |
| Elongation at Break, % | 4.4 to 20 | |
| 14 to 34 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 27 | |
| 40 |
| Shear Strength, MPa | 290 | |
| 250 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 470 | |
| 380 to 520 |
| Tensile Strength: Yield (Proof), MPa | 220 to 400 | |
| 160 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 130 |
| Melting Completion (Liquidus), °C | 650 | |
| 850 |
| Melting Onset (Solidus), °C | 570 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 110 |
| Thermal Expansion, µm/m-K | 19 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 25 |
| Density, g/cm3 | 3.1 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 160 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 63 | |
| 68 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 1160 | |
| 120 to 740 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 45 | |
| 19 |
| Strength to Weight: Axial, points | 33 to 42 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 37 to 44 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 45 | |
| 36 |
| Thermal Shock Resistance, points | 19 to 25 | |
| 13 to 17 |
Alloy Composition
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| Aluminum (Al), % | 92.1 to 95.1 | |
| 0 |
| Copper (Cu), % | 4.0 to 5.2 | |
| 63 to 66 |
| Iron (Fe), % | 0 to 0.15 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 0 | |
| 1.0 to 2.0 |
| Magnesium (Mg), % | 0.15 to 0.55 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.1 to 0.5 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Silver (Ag), % | 0.4 to 1.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.2 to 2.0 |
| Titanium (Ti), % | 0.15 to 0.35 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 28.1 to 34.6 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.4 |