7108A Aluminum vs. EN 2.4665 Nickel
7108A aluminum belongs to the aluminum alloys classification, while EN 2.4665 nickel belongs to the nickel alloys. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 7108A aluminum and the bottom bar is EN 2.4665 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 210 |
| Elongation at Break, % | 11 to 13 | |
| 34 |
| Fatigue Strength, MPa | 120 to 130 | |
| 220 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 26 | |
| 81 |
| Shear Strength, MPa | 210 | |
| 520 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 790 |
| Tensile Strength: Yield (Proof), MPa | 290 to 300 | |
| 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 990 |
| Melting Completion (Liquidus), °C | 630 | |
| 1460 |
| Melting Onset (Solidus), °C | 520 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 450 |
| Thermal Conductivity, W/m-K | 150 | |
| 12 |
| Thermal Expansion, µm/m-K | 24 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 55 |
| Density, g/cm3 | 2.9 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 9.2 |
| Embodied Energy, MJ/kg | 150 | |
| 130 |
| Embodied Water, L/kg | 1150 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 to 44 | |
| 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 610 to 640 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 47 | |
| 23 |
| Strength to Weight: Axial, points | 33 to 34 | |
| 26 |
| Strength to Weight: Bending, points | 38 | |
| 22 |
| Thermal Diffusivity, mm2/s | 59 | |
| 3.2 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 91.6 to 94.4 | |
| 0 to 0.5 |
| Boron (B), % | 0 | |
| 0 to 0.010 |
| Carbon (C), % | 0 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 to 0.040 | |
| 20.5 to 23 |
| Cobalt (Co), % | 0 | |
| 0.5 to 2.5 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 to 0.5 |
| Gallium (Ga), % | 0 to 0.030 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 17 to 20 |
| Magnesium (Mg), % | 0.7 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 40.3 to 53.8 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0.2 to 1.0 |
| Zinc (Zn), % | 4.8 to 5.8 | |
| 0 |
| Zirconium (Zr), % | 0.15 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |