6066 Aluminum vs. 4115 Aluminum
Both 6066 aluminum and 4115 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is 6066 aluminum and the bottom bar is 4115 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 70 |
| Elongation at Break, % | 7.8 to 17 | |
| 1.1 to 11 |
| Fatigue Strength, MPa | 94 to 130 | |
| 39 to 76 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 95 to 240 | |
| 71 to 130 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 400 | |
| 120 to 220 |
| Tensile Strength: Yield (Proof), MPa | 93 to 360 | |
| 39 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 160 |
| Melting Completion (Liquidus), °C | 650 | |
| 640 |
| Melting Onset (Solidus), °C | 560 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 890 | |
| 900 |
| Thermal Conductivity, W/m-K | 150 | |
| 160 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 41 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1160 | |
| 1160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 to 52 | |
| 2.1 to 10 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 61 to 920 | |
| 11 to 270 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 49 | |
| 50 |
| Strength to Weight: Axial, points | 16 to 39 | |
| 12 to 23 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 20 to 30 |
| Thermal Diffusivity, mm2/s | 61 | |
| 66 |
| Thermal Shock Resistance, points | 6.9 to 17 | |
| 5.2 to 9.9 |
Alloy Composition
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| Aluminum (Al), % | 93 to 97 | |
| 94.6 to 97.4 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0 |
| Copper (Cu), % | 0.7 to 1.2 | |
| 0.1 to 0.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0.8 to 1.4 | |
| 0.1 to 0.5 |
| Manganese (Mn), % | 0.6 to 1.1 | |
| 0.6 to 1.2 |
| Silicon (Si), % | 0.9 to 1.8 | |
| 1.8 to 2.2 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |