242.0 Aluminum vs. 201.0 Aluminum
Both 242.0 aluminum and 201.0 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 242.0 aluminum and the bottom bar is 201.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 70 to 110 | |
| 95 to 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 71 |
| Elongation at Break, % | 0.5 to 1.5 | |
| 4.4 to 20 |
| Fatigue Strength, MPa | 55 to 110 | |
| 120 to 150 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Shear Strength, MPa | 150 to 240 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 180 to 290 | |
| 370 to 470 |
| Tensile Strength: Yield (Proof), MPa | 120 to 220 | |
| 220 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 530 | |
| 570 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 to 170 | |
| 120 |
| Thermal Expansion, µm/m-K | 22 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 44 | |
| 30 to 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 96 to 130 | |
| 87 to 97 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 38 |
| Calomel Potential, mV | -650 | |
| -670 |
| Density, g/cm3 | 3.1 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.7 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 1.3 to 3.4 | |
| 19 to 63 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 340 | |
| 330 to 1160 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 45 |
| Strength to Weight: Axial, points | 16 to 26 | |
| 33 to 42 |
| Strength to Weight: Bending, points | 23 to 32 | |
| 37 to 44 |
| Thermal Diffusivity, mm2/s | 50 to 62 | |
| 45 |
| Thermal Shock Resistance, points | 8.0 to 13 | |
| 19 to 25 |
Alloy Composition
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| Aluminum (Al), % | 88.4 to 93.6 | |
| 92.1 to 95.1 |
| Chromium (Cr), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 4.0 to 5.2 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 1.2 to 1.8 | |
| 0.15 to 0.55 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.2 to 0.5 |
| Nickel (Ni), % | 1.7 to 2.3 | |
| 0 |
| Silicon (Si), % | 0 to 0.7 | |
| 0 to 0.1 |
| Silver (Ag), % | 0 | |
| 0.4 to 1.0 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0.15 to 0.35 |
| Zinc (Zn), % | 0 to 0.35 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.1 |