Nickel 617 vs. 6151 Aluminum
Nickel 617 belongs to the nickel alloys classification, while 6151 aluminum belongs to the aluminum 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 nickel 617 and the bottom bar is 6151 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 69 |
| Elongation at Break, % | 40 | |
| 1.1 to 5.7 |
| Fatigue Strength, MPa | 220 | |
| 80 to 100 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 80 | |
| 26 |
| Shear Strength, MPa | 510 | |
| 190 to 200 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 330 to 340 |
| Tensile Strength: Yield (Proof), MPa | 280 | |
| 270 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 1010 | |
| 170 |
| Melting Completion (Liquidus), °C | 1380 | |
| 650 |
| Melting Onset (Solidus), °C | 1330 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 900 |
| Thermal Conductivity, W/m-K | 13 | |
| 170 |
| Thermal Expansion, µm/m-K | 12 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 45 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 150 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 9.5 |
| Density, g/cm3 | 8.5 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 8.2 |
| Embodied Energy, MJ/kg | 140 | |
| 150 |
| Embodied Water, L/kg | 350 | |
| 1180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 230 | |
| 3.5 to 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 | |
| 520 to 580 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 50 |
| Strength to Weight: Axial, points | 24 | |
| 34 |
| Strength to Weight: Bending, points | 21 | |
| 39 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 70 |
| Thermal Shock Resistance, points | 21 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 0.8 to 1.5 | |
| 95.6 to 98.8 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0 |
| Chromium (Cr), % | 20 to 24 | |
| 0.15 to 0.35 |
| Cobalt (Co), % | 10 to 15 | |
| 0 |
| Copper (Cu), % | 0 to 0.5 | |
| 0 to 0.35 |
| Iron (Fe), % | 0 to 3.0 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0 | |
| 0.45 to 0.8 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 44.5 to 62 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.6 to 1.2 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |