Nickel 625 vs. Nickel 718
Both nickel 625 and nickel 718 are nickel alloys. 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 (3, in this case) are not shown.
For each property being compared, the top bar is nickel 625 and the bottom bar is nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 33 to 34 | |
| 12 to 50 |
| Fatigue Strength, MPa | 240 to 320 | |
| 460 to 760 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 79 | |
| 75 |
| Shear Strength, MPa | 530 to 600 | |
| 660 to 950 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 910 | |
| 930 to 1530 |
| Tensile Strength: Yield (Proof), MPa | 320 to 450 | |
| 510 to 1330 |
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 to 250 | |
| 140 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 660 to 4560 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 22 to 24 | |
| 25 to 35 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 3.0 |
| Thermal Shock Resistance, points | 22 to 25 | |
| 27 to 44 |
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 |