Ductile Cast Iron vs. C77000 Nickel Silver
Ductile cast iron belongs to the iron alloys classification, while C77000 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is ductile cast iron and the bottom bar is C77000 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 170 to 180 | |
| 120 |
| Poisson's Ratio | 0.28 to 0.31 | |
| 0.31 |
| Shear Modulus, GPa | 64 to 70 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 920 | |
| 420 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 290 | |
| 180 |
| Melting Completion (Liquidus), °C | 1160 | |
| 1050 |
| Melting Onset (Solidus), °C | 1120 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 400 |
| Thermal Conductivity, W/m-K | 31 to 36 | |
| 29 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 5.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 to 9.4 | |
| 6.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 31 |
| Density, g/cm3 | 7.1 to 7.5 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 4.1 |
| Embodied Energy, MJ/kg | 21 | |
| 63 |
| Embodied Water, L/kg | 43 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 12 to 14 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 to 26 | |
| 20 |
| Strength to Weight: Axial, points | 17 to 35 | |
| 14 to 27 |
| Strength to Weight: Bending, points | 18 to 29 | |
| 15 to 23 |
| Thermal Diffusivity, mm2/s | 8.9 to 10 | |
| 8.8 |
| Thermal Shock Resistance, points | 17 to 35 | |
| 15 to 28 |
Alloy Composition
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| Carbon (C), % | 3.0 to 3.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 53.5 to 56.5 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 16.5 to 19.5 |
| Phosphorus (P), % | 0 to 0.080 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.8 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 22.7 to 30 |
| Residuals, % | 0 | |
| 0 to 0.5 |