Automotive Grey Cast Iron vs. C72200 Copper-nickel
Automotive grey cast iron belongs to the iron alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C72200 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 69 to 70 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 290 | |
| 350 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 220 |
| Melting Completion (Liquidus), °C | 1380 to 1390 | |
| 1180 |
| Melting Onset (Solidus), °C | 1340 to 1350 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 400 |
| Thermal Conductivity, W/m-K | 41 to 43 | |
| 34 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 to 7.6 | |
| 6.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 to 9.1 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 to 3.0 | |
| 36 |
| Density, g/cm3 | 7.5 to 7.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 3.9 |
| Embodied Energy, MJ/kg | 21 to 24 | |
| 59 |
| Embodied Water, L/kg | 44 to 51 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 5.2 to 11 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 8.0 to 13 | |
| 12 to 17 |
| Thermal Diffusivity, mm2/s | 11 to 12 | |
| 9.6 |
| Thermal Shock Resistance, points | 4.2 to 8.6 | |
| 12 to 20 |