Monel 400 vs. Nickel 718
Both Monel 400 and nickel 718 are nickel alloys. They have 54% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is Monel 400 and the bottom bar is nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 190 |
| Elongation at Break, % | 20 to 40 | |
| 12 to 50 |
| Fatigue Strength, MPa | 230 to 290 | |
| 460 to 760 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 62 | |
| 75 |
| Shear Strength, MPa | 370 to 490 | |
| 660 to 950 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 780 | |
| 930 to 1530 |
| Tensile Strength: Yield (Proof), MPa | 210 to 590 | |
| 510 to 1330 |
Thermal Properties
| Curie Temperature, °C | 40 | |
| -110 |
| Latent Heat of Fusion, J/g | 270 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 1000 | |
| 980 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1340 |
| Melting Onset (Solidus), °C | 1300 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 450 |
| Thermal Conductivity, W/m-K | 23 | |
| 11 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
| 1.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 75 |
| Density, g/cm3 | 8.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 13 |
| Embodied Energy, MJ/kg | 110 | |
| 190 |
| Embodied Water, L/kg | 250 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 140 to 390 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1080 | |
| 660 to 4560 |
| Stiffness to Weight: Axial, points | 10 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 23 |
| Strength to Weight: Axial, points | 17 to 25 | |
| 31 to 51 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 25 to 35 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 3.0 |
| Thermal Shock Resistance, points | 17 to 25 | |
| 27 to 44 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 to 0.3 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 21 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 28 to 34 | |
| 0 to 0.3 |
| Iron (Fe), % | 0 to 2.5 | |
| 11.1 to 24.6 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 0 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 63 to 72 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.024 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.65 to 1.2 |