6065 Aluminum vs. 8090 Aluminum
Both 6065 aluminum and 8090 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 29 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 6065 aluminum and the bottom bar is 8090 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 67 |
| Elongation at Break, % | 4.5 to 11 | |
| 3.5 to 13 |
| Fatigue Strength, MPa | 96 to 110 | |
| 91 to 140 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 25 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 400 | |
| 340 to 490 |
| Tensile Strength: Yield (Proof), MPa | 270 to 380 | |
| 210 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 190 |
| Melting Completion (Liquidus), °C | 640 | |
| 660 |
| Melting Onset (Solidus), °C | 590 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 960 |
| Thermal Conductivity, W/m-K | 170 | |
| 95 to 160 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 43 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 66 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 18 |
| Density, g/cm3 | 2.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.4 | |
| 8.6 |
| Embodied Energy, MJ/kg | 150 | |
| 170 |
| Embodied Water, L/kg | 1200 | |
| 1160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 34 | |
| 16 to 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 540 to 1040 | |
| 340 to 1330 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 49 | |
| 50 |
| Strength to Weight: Axial, points | 31 to 40 | |
| 34 to 49 |
| Strength to Weight: Bending, points | 36 to 43 | |
| 39 to 50 |
| Thermal Diffusivity, mm2/s | 67 | |
| 36 to 60 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 15 to 22 |
Alloy Composition
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| Aluminum (Al), % | 94.4 to 98.2 | |
| 93 to 98.4 |
| Bismuth (Bi), % | 0.5 to 1.5 | |
| 0 |
| Chromium (Cr), % | 0 to 0.15 | |
| 0 to 0.1 |
| Copper (Cu), % | 0.15 to 0.4 | |
| 1.0 to 1.6 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Lithium (Li), % | 0 | |
| 2.2 to 2.7 |
| Magnesium (Mg), % | 0.8 to 1.2 | |
| 0.6 to 1.3 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0 to 0.1 |
| Silicon (Si), % | 0.4 to 0.8 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.25 |
| Zirconium (Zr), % | 0 to 0.15 | |
| 0.040 to 0.16 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |