Monel 400 vs. Grey Cast Iron
Monel 400 belongs to the nickel alloys classification, while grey cast iron belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is Monel 400 and the bottom bar is grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 160 | |
| 180 |
| Elongation at Break, % | 20 to 40 | |
| 9.6 |
| Fatigue Strength, MPa | 230 to 290 | |
| 69 to 170 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 62 | |
| 69 |
| Shear Strength, MPa | 370 to 490 | |
| 180 to 610 |
| Tensile Strength: Ultimate (UTS), MPa | 540 to 780 | |
| 160 to 450 |
| Tensile Strength: Yield (Proof), MPa | 210 to 590 | |
| 98 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1350 | |
| 1380 |
| Melting Onset (Solidus), °C | 1300 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 490 |
| Thermal Conductivity, W/m-K | 23 | |
| 46 |
| Thermal Expansion, µm/m-K | 14 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.4 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 50 | |
| 1.9 |
| Density, g/cm3 | 8.9 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 7.9 | |
| 1.5 |
| Embodied Energy, MJ/kg | 110 | |
| 21 |
| Embodied Water, L/kg | 250 | |
| 44 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 180 | |
| 13 to 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1080 | |
| 27 to 240 |
| Stiffness to Weight: Axial, points | 10 | |
| 13 |
| Stiffness to Weight: Bending, points | 21 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 25 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 8.7 to 17 |
| Thermal Diffusivity, mm2/s | 6.1 | |
| 13 |
| Thermal Shock Resistance, points | 17 to 25 | |
| 6.0 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.3 | |
| 3.1 to 3.4 |
| Copper (Cu), % | 28 to 34 | |
| 0 |
| Iron (Fe), % | 0 to 2.5 | |
| 92.1 to 93.9 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.5 to 0.7 |
| Nickel (Ni), % | 63 to 72 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.9 |
| Silicon (Si), % | 0 to 0.5 | |
| 2.5 to 2.8 |
| Sulfur (S), % | 0 to 0.024 | |
| 0 to 0.15 |