6151 Aluminum vs. Grade CW6M Nickel
6151 aluminum belongs to the aluminum alloys classification, while grade CW6M nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 6151 aluminum and the bottom bar is grade CW6M nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 220 |
| Elongation at Break, % | 1.1 to 5.7 | |
| 29 |
| Fatigue Strength, MPa | 80 to 100 | |
| 210 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 84 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 340 | |
| 560 |
| Tensile Strength: Yield (Proof), MPa | 270 to 280 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 970 |
| Melting Completion (Liquidus), °C | 650 | |
| 1530 |
| Melting Onset (Solidus), °C | 590 | |
| 1470 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 430 |
| Thermal Expansion, µm/m-K | 23 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 65 |
| Density, g/cm3 | 2.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 13 |
| Embodied Energy, MJ/kg | 150 | |
| 170 |
| Embodied Water, L/kg | 1180 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.5 to 18 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 520 to 580 | |
| 220 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 23 |
| Strength to Weight: Axial, points | 34 | |
| 18 |
| Strength to Weight: Bending, points | 39 | |
| 17 |
| Thermal Shock Resistance, points | 15 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 95.6 to 98.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0.15 to 0.35 | |
| 17 to 20 |
| Copper (Cu), % | 0 to 0.35 | |
| 0 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 3.0 |
| Magnesium (Mg), % | 0.45 to 0.8 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 17 to 20 |
| Nickel (Ni), % | 0 | |
| 54.9 to 66 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.6 to 1.2 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |