6063A Aluminum vs. 3102 Aluminum
Both 6063A aluminum and 3102 aluminum are aluminum alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is 6063A aluminum and the bottom bar is 3102 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 69 |
| Elongation at Break, % | 6.7 to 18 | |
| 23 to 28 |
| Fatigue Strength, MPa | 53 to 80 | |
| 31 to 34 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 78 to 150 | |
| 58 to 65 |
| Tensile Strength: Ultimate (UTS), MPa | 130 to 260 | |
| 92 to 100 |
| Tensile Strength: Yield (Proof), MPa | 55 to 200 | |
| 28 to 34 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 620 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 200 | |
| 230 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 49 to 54 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 160 to 180 | |
| 190 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.0 |
| Density, g/cm3 | 2.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1190 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 21 | |
| 16 to 22 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 22 to 280 | |
| 5.8 to 8.3 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 9.4 to 10 |
| Strength to Weight: Bending, points | 21 to 33 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 83 | |
| 92 |
| Thermal Shock Resistance, points | 5.6 to 11 | |
| 4.1 to 4.4 |
Alloy Composition
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| Aluminum (Al), % | 97.5 to 99 | |
| 97.9 to 99.95 |
| Chromium (Cr), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.1 |
| Iron (Fe), % | 0.15 to 0.35 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0.6 to 0.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.15 | |
| 0.050 to 0.4 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 to 0.4 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.15 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |