4115 Aluminum vs. 6082 Aluminum
Both 4115 aluminum and 6082 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is 4115 aluminum and the bottom bar is 6082 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 38 to 68 | |
| 40 to 95 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 69 |
| Elongation at Break, % | 1.1 to 11 | |
| 6.3 to 18 |
| Fatigue Strength, MPa | 39 to 76 | |
| 55 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 71 to 130 | |
| 84 to 220 |
| Tensile Strength: Ultimate (UTS), MPa | 120 to 220 | |
| 140 to 340 |
| Tensile Strength: Yield (Proof), MPa | 39 to 190 | |
| 85 to 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 650 |
| Melting Onset (Solidus), °C | 590 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 160 | |
| 160 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.3 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1160 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.1 to 10 | |
| 19 to 43 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 to 270 | |
| 52 to 710 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 12 to 23 | |
| 14 to 35 |
| Strength to Weight: Bending, points | 20 to 30 | |
| 21 to 40 |
| Thermal Diffusivity, mm2/s | 66 | |
| 67 |
| Thermal Shock Resistance, points | 5.2 to 9.9 | |
| 6.0 to 15 |
Alloy Composition
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| Aluminum (Al), % | 94.6 to 97.4 | |
| 95.2 to 98.3 |
| Chromium (Cr), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0.1 to 0.5 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.1 to 0.5 | |
| 0.6 to 1.2 |
| Manganese (Mn), % | 0.6 to 1.2 | |
| 0.4 to 1.0 |
| Silicon (Si), % | 1.8 to 2.2 | |
| 0.7 to 1.3 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |