5456 Aluminum vs. Nickel 625
5456 aluminum belongs to the aluminum alloys classification, while nickel 625 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 5456 aluminum and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 200 |
| Elongation at Break, % | 11 to 18 | |
| 33 to 34 |
| Fatigue Strength, MPa | 130 to 210 | |
| 240 to 320 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 79 |
| Shear Strength, MPa | 190 to 210 | |
| 530 to 600 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 340 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 150 to 250 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 980 |
| Melting Completion (Liquidus), °C | 640 | |
| 1350 |
| Melting Onset (Solidus), °C | 570 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 440 |
| Thermal Conductivity, W/m-K | 120 | |
| 11 |
| Thermal Expansion, µm/m-K | 24 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 97 | |
| 1.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 80 |
| Density, g/cm3 | 2.7 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 14 |
| Embodied Energy, MJ/kg | 150 | |
| 190 |
| Embodied Water, L/kg | 1170 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 33 to 46 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 470 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 23 |
| Strength to Weight: Axial, points | 33 to 35 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 38 to 40 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 48 | |
| 2.9 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 22 to 25 |
Alloy Composition
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| Aluminum (Al), % | 92 to 94.8 | |
| 0 to 0.4 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0.050 to 0.2 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 5.0 |
| Magnesium (Mg), % | 4.7 to 5.5 | |
| 0 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.4 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |