6105 Aluminum vs. 3203 Aluminum
Both 6105 aluminum and 3203 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is 6105 aluminum and the bottom bar is 3203 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 70 |
| Elongation at Break, % | 9.0 to 16 | |
| 4.5 to 29 |
| Fatigue Strength, MPa | 95 to 130 | |
| 46 to 92 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 120 to 170 | |
| 72 to 120 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 280 | |
| 110 to 200 |
| Tensile Strength: Yield (Proof), MPa | 120 to 270 | |
| 39 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 180 |
| Melting Completion (Liquidus), °C | 650 | |
| 650 |
| Melting Onset (Solidus), °C | 600 | |
| 620 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 180 to 190 | |
| 170 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 46 to 50 | |
| 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 150 to 170 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.0 |
| Density, g/cm3 | 2.7 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 8.1 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 27 | |
| 8.0 to 25 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 550 | |
| 11 to 250 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 51 | |
| 50 |
| Strength to Weight: Axial, points | 20 to 29 | |
| 11 to 20 |
| Strength to Weight: Bending, points | 28 to 35 | |
| 19 to 28 |
| Thermal Diffusivity, mm2/s | 72 to 79 | |
| 70 |
| Thermal Shock Resistance, points | 8.6 to 12 | |
| 4.9 to 8.8 |
Alloy Composition
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| Aluminum (Al), % | 97.2 to 99 | |
| 96.9 to 99 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0.45 to 0.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 1.0 to 1.5 |
| Silicon (Si), % | 0.6 to 1.0 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |