Nickel 718 vs. EN 1.4606 Stainless Steel
Nickel 718 belongs to the nickel alloys classification, while EN 1.4606 stainless steel belongs to the iron alloys. They have 61% of their average alloy composition in common. There are 30 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 1.4606 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 50 | |
| 23 to 39 |
| Fatigue Strength, MPa | 460 to 760 | |
| 240 to 420 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 75 |
| Shear Strength, MPa | 660 to 950 | |
| 410 to 640 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
| 600 to 1020 |
| Tensile Strength: Yield (Proof), MPa | 510 to 1330 | |
| 280 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 980 | |
| 910 |
| Melting Completion (Liquidus), °C | 1340 | |
| 1430 |
| Melting Onset (Solidus), °C | 1260 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 470 |
| Thermal Conductivity, W/m-K | 11 | |
| 14 |
| Thermal Expansion, µm/m-K | 13 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
| 2.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 26 |
| Density, g/cm3 | 8.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 13 | |
| 6.0 |
| Embodied Energy, MJ/kg | 190 | |
| 87 |
| Embodied Water, L/kg | 250 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 390 | |
| 190 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 to 4560 | |
| 200 to 1010 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 31 to 51 | |
| 21 to 36 |
| Strength to Weight: Bending, points | 25 to 35 | |
| 20 to 28 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 3.7 |
| Thermal Shock Resistance, points | 27 to 44 | |
| 21 to 35 |
Alloy Composition
| Aluminum (Al), % | 0.2 to 0.8 | |
| 0 to 0.35 |
| Boron (B), % | 0 to 0.0060 | |
| 0.0010 to 0.010 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Chromium (Cr), % | 17 to 21 | |
| 13 to 16 |
| Cobalt (Co), % | 0 to 1.0 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 11.1 to 24.6 | |
| 49.2 to 59 |
| Manganese (Mn), % | 0 to 0.35 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 2.8 to 3.3 | |
| 1.0 to 1.5 |
| Nickel (Ni), % | 50 to 55 | |
| 24 to 27 |
| 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 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0.65 to 1.2 | |
| 1.9 to 2.3 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.5 |