Grey Cast Iron vs. Monel 400
Grey cast iron belongs to the iron alloys classification, while Monel 400 belongs to the nickel 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 grey cast iron and the bottom bar is Monel 400.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 160 |
| Elongation at Break, % | 9.6 | |
| 20 to 40 |
| Fatigue Strength, MPa | 69 to 170 | |
| 230 to 290 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 69 | |
| 62 |
| Shear Strength, MPa | 180 to 610 | |
| 370 to 490 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 450 | |
| 540 to 780 |
| Tensile Strength: Yield (Proof), MPa | 98 to 290 | |
| 210 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1350 |
| Melting Onset (Solidus), °C | 1180 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 430 |
| Thermal Conductivity, W/m-K | 46 | |
| 23 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 50 |
| Density, g/cm3 | 7.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 7.9 |
| Embodied Energy, MJ/kg | 21 | |
| 110 |
| Embodied Water, L/kg | 44 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 37 | |
| 140 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 27 to 240 | |
| 140 to 1080 |
| Stiffness to Weight: Axial, points | 13 | |
| 10 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 5.8 to 17 | |
| 17 to 25 |
| Strength to Weight: Bending, points | 8.7 to 17 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 13 | |
| 6.1 |
| Thermal Shock Resistance, points | 6.0 to 17 | |
| 17 to 25 |
Alloy Composition
| Carbon (C), % | 3.1 to 3.4 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 28 to 34 |
| Iron (Fe), % | 92.1 to 93.9 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0.5 to 0.7 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 63 to 72 |
| Phosphorus (P), % | 0 to 0.9 | |
| 0 |
| Silicon (Si), % | 2.5 to 2.8 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.15 | |
| 0 to 0.024 |