4115 Aluminum vs. 705.0 Aluminum
Both 4115 aluminum and 705.0 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 4115 aluminum and the bottom bar is 705.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 38 to 68 | |
| 62 to 65 |
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 69 |
| Elongation at Break, % | 1.1 to 11 | |
| 8.4 to 10 |
| Fatigue Strength, MPa | 39 to 76 | |
| 63 to 98 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 120 to 220 | |
| 240 to 260 |
| Tensile Strength: Yield (Proof), MPa | 39 to 190 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 180 |
| Melting Completion (Liquidus), °C | 640 | |
| 640 |
| Melting Onset (Solidus), °C | 590 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 890 |
| Thermal Conductivity, W/m-K | 160 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 41 | |
| 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.1 | |
| 8.4 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1160 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.1 to 10 | |
| 18 to 20 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 11 to 270 | |
| 120 to 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 49 |
| Strength to Weight: Axial, points | 12 to 23 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 20 to 30 | |
| 31 to 32 |
| Thermal Diffusivity, mm2/s | 66 | |
| 55 |
| Thermal Shock Resistance, points | 5.2 to 9.9 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 94.6 to 97.4 | |
| 92.3 to 98.6 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Copper (Cu), % | 0.1 to 0.5 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.8 |
| Magnesium (Mg), % | 0.1 to 0.5 | |
| 1.4 to 1.8 |
| Manganese (Mn), % | 0.6 to 1.2 | |
| 0 to 0.6 |
| Silicon (Si), % | 1.8 to 2.2 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 3.3 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.15 |