C355.0 Aluminum vs. Nickel 725
C355.0 aluminum belongs to the aluminum alloys classification, while nickel 725 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 C355.0 aluminum and the bottom bar is nickel 725.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 200 |
| Elongation at Break, % | 2.7 to 3.8 | |
| 34 |
| Fatigue Strength, MPa | 76 to 84 | |
| 260 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 310 | |
| 860 |
| Tensile Strength: Yield (Proof), MPa | 200 to 230 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 470 | |
| 320 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 980 |
| Melting Completion (Liquidus), °C | 620 | |
| 1340 |
| Melting Onset (Solidus), °C | 570 | |
| 1270 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 440 |
| Thermal Expansion, µm/m-K | 22 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 1.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 1.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 75 |
| Density, g/cm3 | 2.7 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 13 |
| Embodied Energy, MJ/kg | 150 | |
| 190 |
| Embodied Water, L/kg | 1120 | |
| 270 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.5 to 9.8 | |
| 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 380 | |
| 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 51 | |
| 23 |
| Strength to Weight: Axial, points | 30 to 32 | |
| 28 |
| Strength to Weight: Bending, points | 36 to 37 | |
| 24 |
| Thermal Shock Resistance, points | 13 to 14 | |
| 23 |
Alloy Composition
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| Aluminum (Al), % | 91.7 to 94.1 | |
| 0 to 0.35 |
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 19 to 22.5 |
| Copper (Cu), % | 1.0 to 1.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 2.3 to 15.3 |
| Magnesium (Mg), % | 0.4 to 0.6 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 | |
| 7.0 to 9.5 |
| Nickel (Ni), % | 0 | |
| 55 to 59 |
| Niobium (Nb), % | 0 | |
| 2.8 to 4.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 4.5 to 5.5 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 to 0.2 | |
| 1.0 to 1.7 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |