201.0 Aluminum vs. 204.0 Aluminum
Both 201.0 aluminum and 204.0 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is 201.0 aluminum and the bottom bar is 204.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 95 to 140 | |
| 90 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 4.4 to 20 | |
| 5.7 to 7.8 |
| Fatigue Strength, MPa | 120 to 150 | |
| 63 to 77 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 470 | |
| 230 to 340 |
| Tensile Strength: Yield (Proof), MPa | 220 to 400 | |
| 180 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 650 | |
| 650 |
| Melting Onset (Solidus), °C | 570 | |
| 580 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 880 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 to 33 | |
| 29 to 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 to 97 | |
| 87 to 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 11 |
| Density, g/cm3 | 3.1 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 8.0 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 63 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 1160 | |
| 220 to 350 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 46 |
| Strength to Weight: Axial, points | 33 to 42 | |
| 21 to 31 |
| Strength to Weight: Bending, points | 37 to 44 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 45 | |
| 46 |
| Thermal Shock Resistance, points | 19 to 25 | |
| 12 to 18 |
Alloy Composition
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| Aluminum (Al), % | 92.1 to 95.1 | |
| 93.4 to 95.5 |
| Copper (Cu), % | 4.0 to 5.2 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0.15 to 0.55 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.2 |
| Silver (Ag), % | 0.4 to 1.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0.15 to 0.35 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.1 | |
| 0 to 0.15 |