Nickel 690 vs. 5449 Aluminum
Nickel 690 belongs to the nickel alloys classification, while 5449 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown. 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 nickel 690 and the bottom bar is 5449 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 69 |
| Elongation at Break, % | 3.4 to 34 | |
| 4.0 to 17 |
| Fatigue Strength, MPa | 180 to 300 | |
| 78 to 120 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 79 | |
| 26 |
| Shear Strength, MPa | 420 to 570 | |
| 130 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 990 | |
| 210 to 330 |
| Tensile Strength: Yield (Proof), MPa | 250 to 760 | |
| 91 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 190 |
| Melting Completion (Liquidus), °C | 1380 | |
| 650 |
| Melting Onset (Solidus), °C | 1340 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 900 |
| Thermal Conductivity, W/m-K | 14 | |
| 140 |
| Thermal Expansion, µm/m-K | 14 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.5 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.6 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 9.5 |
| Density, g/cm3 | 8.3 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 8.5 |
| Embodied Energy, MJ/kg | 120 | |
| 150 |
| Embodied Water, L/kg | 290 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 to 170 | |
| 12 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 1440 | |
| 60 to 480 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 50 |
| Strength to Weight: Axial, points | 21 to 33 | |
| 22 to 33 |
| Strength to Weight: Bending, points | 20 to 27 | |
| 29 to 39 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 56 |
| Thermal Shock Resistance, points | 16 to 25 | |
| 9.4 to 15 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 94.1 to 97.8 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 27 to 31 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.3 |
| Iron (Fe), % | 7.0 to 11 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 | |
| 1.6 to 2.6 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0.6 to 1.1 |
| Nickel (Ni), % | 58 to 66 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.3 |
| Residuals, % | 0 | |
| 0 to 0.15 |