Nickel 718 vs. EN 1.7225 Steel
Nickel 718 belongs to the nickel alloys classification, while EN 1.7225 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is nickel 718 and the bottom bar is EN 1.7225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 540 to 1850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 420 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1460 |
| Melting Onset (Solidus), °C | 1260 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 470 |
| Thermal Conductivity, W/m-K | 11 | |
| 46 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 2.5 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 1.5 |
| Embodied Energy, MJ/kg | 190 | |
| 20 |
| Embodied Water, L/kg | 250 | |
| 51 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 19 to 65 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 19 to 43 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 12 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 16 to 54 |
Alloy Composition
| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.38 to 0.45 |
| Chromium (Cr), % | 17 to 21 | |
| 0.9 to 1.2 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 to 0.25 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 96.6 to 98 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 0.15 to 0.3 |
| Nickel (Ni), % | 50 to 55 | |
| 0 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.035 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0 |