308.0 Aluminum vs. 3105 Aluminum
Both 308.0 aluminum and 3105 aluminum are aluminum alloys. They have 90% of their average alloy composition in common.
For each property being compared, the top bar is 308.0 aluminum and the bottom bar is 3105 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 70 | |
| 29 to 67 |
| Elastic (Young's, Tensile) Modulus, GPa | 73 | |
| 69 |
| Elongation at Break, % | 2.0 | |
| 1.1 to 20 |
| Fatigue Strength, MPa | 89 | |
| 39 to 95 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 26 |
| Shear Strength, MPa | 150 | |
| 77 to 140 |
| Tensile Strength: Ultimate (UTS), MPa | 190 | |
| 120 to 240 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 46 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 180 |
| Melting Completion (Liquidus), °C | 620 | |
| 660 |
| Melting Onset (Solidus), °C | 540 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 900 |
| Thermal Conductivity, W/m-K | 140 | |
| 170 |
| Thermal Expansion, µm/m-K | 20 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Calomel Potential, mV | -660 | |
| -750 |
| Density, g/cm3 | 2.9 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 7.7 | |
| 8.2 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 1080 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.3 | |
| 2.6 to 19 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 83 | |
| 15 to 340 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 50 |
| Strength to Weight: Axial, points | 18 | |
| 12 to 24 |
| Strength to Weight: Bending, points | 25 | |
| 20 to 31 |
| Thermal Diffusivity, mm2/s | 55 | |
| 68 |
| Thermal Shock Resistance, points | 9.2 | |
| 5.2 to 11 |
Alloy Composition
| Aluminum (Al), % | 85.7 to 91 | |
| 96 to 99.5 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0.2 to 0.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.3 to 0.8 |
| Silicon (Si), % | 5.0 to 6.0 | |
| 0 to 0.6 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 to 0.4 |
| Residuals, % | 0 | |
| 0 to 0.15 |