772.0 Aluminum vs. Grade CW6MC Nickel
772.0 aluminum belongs to the aluminum alloys classification, while grade CW6MC 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 772.0 aluminum and the bottom bar is grade CW6MC nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 200 |
| Elongation at Break, % | 6.3 to 8.4 | |
| 28 |
| Fatigue Strength, MPa | 94 to 160 | |
| 210 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 320 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 980 |
| Melting Completion (Liquidus), °C | 630 | |
| 1480 |
| Melting Onset (Solidus), °C | 580 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 440 |
| Thermal Conductivity, W/m-K | 150 | |
| 11 |
| Thermal Expansion, µm/m-K | 24 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 1.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 80 |
| Density, g/cm3 | 3.0 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 14 |
| Embodied Energy, MJ/kg | 150 | |
| 200 |
| Embodied Water, L/kg | 1140 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 25 | |
| 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 350 to 430 | |
| 240 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 23 |
| Strength to Weight: Axial, points | 25 to 31 | |
| 18 |
| Strength to Weight: Bending, points | 31 to 36 | |
| 17 |
| Thermal Diffusivity, mm2/s | 58 | |
| 2.8 |
| Thermal Shock Resistance, points | 11 to 14 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 91.2 to 93.2 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.060 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 20 to 23 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 5.0 |
| Magnesium (Mg), % | 0.6 to 0.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 55.4 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0.1 to 0.2 | |
| 0 |
| Zinc (Zn), % | 6.0 to 7.0 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |