206.0 Aluminum vs. 204.0 Aluminum
Both 206.0 aluminum and 204.0 aluminum are aluminum alloys. Their average alloy composition is basically identical. 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 206.0 aluminum and the bottom bar is 204.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 95 to 110 | |
| 90 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 8.4 to 12 | |
| 5.7 to 7.8 |
| Fatigue Strength, MPa | 88 to 210 | |
| 63 to 77 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 440 | |
| 230 to 340 |
| Tensile Strength: Yield (Proof), MPa | 190 to 350 | |
| 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 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 | |
| 29 to 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 87 to 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 3.0 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 49 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 270 to 840 | |
| 220 to 350 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 46 |
| Strength to Weight: Axial, points | 30 to 40 | |
| 21 to 31 |
| Strength to Weight: Bending, points | 35 to 42 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 46 | |
| 46 |
| Thermal Shock Resistance, points | 17 to 23 | |
| 12 to 18 |
Alloy Composition
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| Aluminum (Al), % | 93.3 to 95.3 | |
| 93.4 to 95.5 |
| Copper (Cu), % | 4.2 to 5.0 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 0.15 to 0.35 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 to 0.050 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0.15 to 0.3 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |