Grade 2 Nickel 625 vs. Solution Treated Nickel 718
Both grade 2 nickel 625 and solution treated nickel 718 are nickel alloys. Both are furnished in the solution annealed (AT) condition. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade 2 nickel 625 and the bottom bar is solution treated nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 34 | |
| 34 |
| Fatigue Strength, MPa | 240 | |
| 540 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 75 |
| Shear Strength, MPa | 530 | |
| 800 |
| Tensile Strength: Ultimate (UTS), MPa | 790 | |
| 1200 |
| Tensile Strength: Yield (Proof), MPa | 320 | |
| 750 |
Thermal Properties
| Curie Temperature, °C | -200 | |
| -110 |
| Latent Heat of Fusion, J/g | 330 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 980 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1340 |
| Melting Onset (Solidus), °C | 1290 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 450 |
| Thermal Conductivity, W/m-K | 11 | |
| 11 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.4 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 80 | |
| 75 |
| Density, g/cm3 | 8.6 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 14 | |
| 13 |
| Embodied Energy, MJ/kg | 190 | |
| 190 |
| Embodied Water, L/kg | 290 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 | |
| 350 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 | |
| 1440 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 26 | |
| 40 |
| Strength to Weight: Bending, points | 22 | |
| 30 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 3.0 |
| Thermal Shock Resistance, points | 22 | |
| 35 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.4 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Chromium (Cr), % | 20 to 23 | |
| 17 to 21 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 5.0 | |
| 11.1 to 24.6 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 8.0 to 10 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 58 to 68.9 | |
| 50 to 55 |
| Niobium (Nb), % | 3.2 to 4.2 | |
| 4.8 to 5.5 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.4 | |
| 0.65 to 1.2 |