Nickel 718 vs. EN 1.4923 Stainless Steel
Nickel 718 belongs to the nickel alloys classification, while EN 1.4923 stainless steel belongs to the iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is nickel 718 and the bottom bar is EN 1.4923 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 50 | |
| 12 to 21 |
| Fatigue Strength, MPa | 460 to 760 | |
| 300 to 440 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 34 to 64 | |
| 40 to 46 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Shear Strength, MPa | 660 to 950 | |
| 540 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 870 to 980 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1330 | |
| 470 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 740 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1450 |
| Melting Onset (Solidus), °C | 1260 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 480 |
| Thermal Conductivity, W/m-K | 11 | |
| 24 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 8.0 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 2.9 |
| Embodied Energy, MJ/kg | 190 | |
| 41 |
| Embodied Water, L/kg | 250 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 390 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 to 4560 | |
| 570 to 1580 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 31 to 35 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 6.5 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 30 to 34 |
Alloy Composition
| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 |
| Boron (B), % | 0 to 0.0060 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.18 to 0.24 |
| Chromium (Cr), % | 17 to 21 | |
| 11 to 12.5 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 83.5 to 87.1 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 50 to 55 | |
| 0.3 to 0.8 |
| Niobium (Nb), % | 4.8 to 5.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |