Nickel 625 vs. 444.0 Aluminum
Nickel 625 belongs to the nickel alloys classification, while 444.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 nickel 625 and the bottom bar is 444.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 71 |
| Elongation at Break, % | 33 to 34 | |
| 25 |
| Fatigue Strength, MPa | 240 to 320 | |
| 51 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 79 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 910 | |
| 190 |
| Tensile Strength: Yield (Proof), MPa | 320 to 450 | |
| 83 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 500 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 170 |
| Melting Completion (Liquidus), °C | 1350 | |
| 610 |
| Melting Onset (Solidus), °C | 1290 | |
| 600 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 900 |
| Thermal Conductivity, W/m-K | 11 | |
| 160 |
| Thermal Expansion, µm/m-K | 13 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 9.5 |
| Density, g/cm3 | 8.6 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 7.9 |
| Embodied Energy, MJ/kg | 190 | |
| 150 |
| Embodied Water, L/kg | 290 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 250 | |
| 39 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 49 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 23 | |
| 53 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 20 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 28 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 67 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 8.8 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.4 | |
| 90.5 to 93.5 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chromium (Cr), % | 20 to 23 | |
| 0 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 5.0 | |
| 0 to 0.6 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 0 |
| Nickel (Ni), % | 58 to 68.9 | |
| 0 |
| Niobium (Nb), % | 3.2 to 4.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 6.5 to 7.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 to 0.4 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.15 |