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