Nickel 718 vs. EN 1.7711 Steel
Nickel 718 belongs to the nickel alloys classification, while EN 1.7711 steel belongs to the iron alloys. 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 1.7711 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 12 to 50 | |
16 to 22 |
Fatigue Strength, MPa | 460 to 760 | |
290 to 520 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 75 | |
73 |
Shear Strength, MPa | 660 to 950 | |
440 to 570 |
Tensile Strength: Ultimate (UTS), MPa | 930 to 1530 | |
690 to 930 |
Tensile Strength: Yield (Proof), MPa | 510 to 1330 | |
400 to 800 |
Thermal Properties
Latent Heat of Fusion, J/g | 310 | |
250 |
Maximum Temperature: Mechanical, °C | 980 | |
430 |
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 | |
33 |
Thermal Expansion, µm/m-K | 13 | |
11 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 1.4 | |
7.4 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 1.5 | |
8.5 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 75 | |
3.0 |
Density, g/cm3 | 8.3 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 13 | |
2.3 |
Embodied Energy, MJ/kg | 190 | |
32 |
Embodied Water, L/kg | 250 | |
54 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 390 | |
130 to 140 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 660 to 4560 | |
430 to 1690 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 23 | |
24 |
Strength to Weight: Axial, points | 31 to 51 | |
24 to 33 |
Strength to Weight: Bending, points | 25 to 35 | |
22 to 27 |
Thermal Diffusivity, mm2/s | 3.0 | |
8.9 |
Thermal Shock Resistance, points | 27 to 44 | |
24 to 32 |
Alloy Composition
Aluminum (Al), % | 0.2 to 0.8 | |
0 to 0.015 |
Boron (B), % | 0 to 0.0060 | |
0 |
Carbon (C), % | 0 to 0.080 | |
0.36 to 0.44 |
Chromium (Cr), % | 17 to 21 | |
0.9 to 1.2 |
Cobalt (Co), % | 0 to 1.0 | |
0 |
Copper (Cu), % | 0 to 0.3 | |
0 |
Iron (Fe), % | 11.1 to 24.6 | |
96 to 97.5 |
Manganese (Mn), % | 0 to 0.35 | |
0.45 to 0.85 |
Molybdenum (Mo), % | 2.8 to 3.3 | |
0.5 to 0.65 |
Nickel (Ni), % | 50 to 55 | |
0 |
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 0.4 |
Sulfur (S), % | 0 to 0.015 | |
0 to 0.030 |
Titanium (Ti), % | 0.65 to 1.2 | |
0 |
Vanadium (V), % | 0 | |
0.25 to 0.35 |