Grey Cast Iron vs. C23400 Brass
Grey cast iron belongs to the iron alloys classification, while C23400 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is grey cast iron and the bottom bar is C23400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 69 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 450 | |
| 370 to 640 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 190 |
| Melting Completion (Liquidus), °C | 1380 | |
| 970 |
| Melting Onset (Solidus), °C | 1180 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 390 |
| Thermal Conductivity, W/m-K | 46 | |
| 120 |
| Thermal Expansion, µm/m-K | 11 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 27 |
| Density, g/cm3 | 7.5 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.6 |
| Embodied Energy, MJ/kg | 21 | |
| 43 |
| Embodied Water, L/kg | 44 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 5.8 to 17 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 8.7 to 17 | |
| 13 to 19 |
| Thermal Diffusivity, mm2/s | 13 | |
| 36 |
| Thermal Shock Resistance, points | 6.0 to 17 | |
| 12 to 22 |
Alloy Composition
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| Carbon (C), % | 3.1 to 3.4 | |
| 0 |
| Copper (Cu), % | 0 | |
| 81 to 84 |
| Iron (Fe), % | 92.1 to 93.9 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.5 to 0.7 | |
| 0 |
| Phosphorus (P), % | 0 to 0.9 | |
| 0 |
| Silicon (Si), % | 2.5 to 2.8 | |
| 0 |
| Sulfur (S), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 15.7 to 19 |
| Residuals, % | 0 | |
| 0 to 0.2 |