ASTM F15 Fe-Ni-Co vs. Nickel 718
ASTM F15 Fe-Ni-Co belongs to the iron alloys classification, while nickel 718 belongs to the nickel alloys. They have 48% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM F15 Fe-Ni-Co and the bottom bar is nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 880 | |
| 930 to 1530 |
Thermal Properties
| Curie Temperature, °C | 430 | |
| -110 |
| Latent Heat of Fusion, J/g | 270 | |
| 310 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1340 |
| Melting Onset (Solidus), °C | 1450 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 450 |
| Thermal Conductivity, W/m-K | 17 | |
| 11 |
| Thermal Expansion, µm/m-K | 6.0 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 49 | |
| 75 |
| Density, g/cm3 | 8.3 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 5.2 | |
| 13 |
| Embodied Energy, MJ/kg | 71 | |
| 190 |
| Embodied Water, L/kg | 190 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 23 |
| Strength to Weight: Axial, points | 17 to 29 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 17 to 24 | |
| 25 to 35 |
| Thermal Diffusivity, mm2/s | 4.5 | |
| 3.0 |
| Thermal Shock Resistance, points | 32 to 55 | |
| 27 to 44 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.1 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 to 0.040 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.2 | |
| 17 to 21 |
| Cobalt (Co), % | 16 to 18 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 to 0.3 |
| Iron (Fe), % | 50.3 to 56 | |
| 11.1 to 24.6 |
| Magnesium (Mg), % | 0 to 0.1 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 to 0.2 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 28 to 30 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0.65 to 1.2 |
| Zirconium (Zr), % | 0 to 0.1 | |
| 0 |