Both 3105-H14 aluminum and 3105-H24 aluminum are variants of the same material. They share alloy composition and many physical properties, but develop different mechanical properties as a result of different processing.
For each property being compared, the top bars is 3105-H14 aluminum and the bottom bars is 3105-H24 aluminum.
Mechanical Properties
| Brinell Hardness | 48 | |
| 47 |
| Elastic (Young’s, Tensile) Modulus, GPa | 69 | |
| 69 |
| Elongation at Break, % | 2.7 | |
| 5.6 |
| Fatigue Strength, MPa | 69 | |
| 74 |
| Poisson’s Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 110 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 170 | |
| 170 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 660 | |
| 660 |
| Melting Onset (Solidus), °C | 640 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 170 | |
| 170 |
| Thermal Expansion, µm/m-K | 24 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 44 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Calomel Potential, mV | -750 | |
| -750 |
| Density, g/cm3 | 2.8 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.2 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.5 | |
| 9.1 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 | |
| 140 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 50 |
| Strength to Weight: Axial, points | 17 | |
| 18 |
| Strength to Weight: Bending, points | 25 | |
| 25 |
| Thermal Diffusivity, m2/s | 68 | |
| 68 |
| Thermal Shock Resistance, points | 7.5 | |
| 7.6 |