Ductile Cast Iron vs. Monel K-500
Ductile cast iron belongs to the iron alloys classification, while Monel K-500 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 K-500.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 to 180 | |
| 160 |
| Elongation at Break, % | 2.1 to 20 | |
| 25 to 36 |
| Poisson's Ratio | 0.28 to 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 64 to 70 | |
| 61 |
| Shear Strength, MPa | 420 to 800 | |
| 430 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 920 | |
| 640 to 1100 |
| Tensile Strength: Yield (Proof), MPa | 310 to 670 | |
| 310 to 880 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 290 | |
| 900 |
| Melting Completion (Liquidus), °C | 1160 | |
| 1350 |
| Melting Onset (Solidus), °C | 1120 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 440 |
| Thermal Conductivity, W/m-K | 31 to 36 | |
| 18 |
| Thermal Expansion, µm/m-K | 11 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 3.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 to 9.4 | |
| 3.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 50 |
| Density, g/cm3 | 7.1 to 7.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 8.1 |
| Embodied Energy, MJ/kg | 21 | |
| 120 |
| Embodied Water, L/kg | 43 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 80 | |
| 180 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 to 1330 | |
| 300 to 2420 |
| 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 | |
| 21 to 35 |
| Strength to Weight: Bending, points | 18 to 29 | |
| 19 to 27 |
| Thermal Diffusivity, mm2/s | 8.9 to 10 | |
| 4.8 |
| Thermal Shock Resistance, points | 17 to 35 | |
| 21 to 36 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.3 to 3.2 |
| Carbon (C), % | 3.0 to 3.5 | |
| 0 to 0.18 |
| Copper (Cu), % | 0 | |
| 27 to 33 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 63 to 70.4 |
| Phosphorus (P), % | 0 to 0.080 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.8 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0.35 to 0.85 |