Ductile Cast Iron vs. Monel 400
Ductile 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 ductile cast iron and the bottom bar is Monel 400.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 to 180 | |
| 160 |
| Elongation at Break, % | 2.1 to 20 | |
| 20 to 40 |
| Poisson's Ratio | 0.28 to 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 64 to 70 | |
| 62 |
| Shear Strength, MPa | 420 to 800 | |
| 370 to 490 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 920 | |
| 540 to 780 |
| Tensile Strength: Yield (Proof), MPa | 310 to 670 | |
| 210 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 290 | |
| 1000 |
| Melting Completion (Liquidus), °C | 1160 | |
| 1350 |
| Melting Onset (Solidus), °C | 1120 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 430 |
| Thermal Conductivity, W/m-K | 31 to 36 | |
| 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 | 8.8 to 9.4 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 50 |
| Density, g/cm3 | 7.1 to 7.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 7.9 |
| Embodied Energy, MJ/kg | 21 | |
| 110 |
| Embodied Water, L/kg | 43 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 80 | |
| 140 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 to 1330 | |
| 140 to 1080 |
| Stiffness to Weight: Axial, points | 12 to 14 | |
| 10 |
| Stiffness to Weight: Bending, points | 24 to 26 | |
| 21 |
| Strength to Weight: Axial, points | 17 to 35 | |
| 17 to 25 |
| Strength to Weight: Bending, points | 18 to 29 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 8.9 to 10 | |
| 6.1 |
| Thermal Shock Resistance, points | 17 to 35 | |
| 17 to 25 |
Alloy Composition
| Carbon (C), % | 3.0 to 3.5 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 28 to 34 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 0 to 2.5 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 63 to 72 |
| Phosphorus (P), % | 0 to 0.080 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.8 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.024 |