Grey Cast Iron vs. C31600 Bronze
Grey cast iron belongs to the iron alloys classification, while C31600 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is grey cast iron and the bottom bar is C31600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 110 |
| Elongation at Break, % | 9.6 | |
| 6.7 to 28 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 69 | |
| 42 |
| Shear Strength, MPa | 180 to 610 | |
| 170 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 450 | |
| 270 to 460 |
| Tensile Strength: Yield (Proof), MPa | 98 to 290 | |
| 80 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 200 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1040 |
| Melting Onset (Solidus), °C | 1180 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 380 |
| Thermal Conductivity, W/m-K | 46 | |
| 140 |
| Thermal Expansion, µm/m-K | 11 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 33 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 29 |
| Density, g/cm3 | 7.5 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.7 |
| Embodied Energy, MJ/kg | 21 | |
| 43 |
| Embodied Water, L/kg | 44 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 37 | |
| 30 to 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 27 to 240 | |
| 28 to 690 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 18 |
| Strength to Weight: Axial, points | 5.8 to 17 | |
| 8.5 to 15 |
| Strength to Weight: Bending, points | 8.7 to 17 | |
| 11 to 15 |
| Thermal Diffusivity, mm2/s | 13 | |
| 42 |
| Thermal Shock Resistance, points | 6.0 to 17 | |
| 9.4 to 16 |
Alloy Composition
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| Carbon (C), % | 3.1 to 3.4 | |
| 0 |
| Copper (Cu), % | 0 | |
| 87.5 to 90.5 |
| Iron (Fe), % | 92.1 to 93.9 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.3 to 2.5 |
| Manganese (Mn), % | 0.5 to 0.7 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.7 to 1.2 |
| Phosphorus (P), % | 0 to 0.9 | |
| 0.040 to 0.1 |
| Silicon (Si), % | 2.5 to 2.8 | |
| 0 |
| Sulfur (S), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 5.2 to 10.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |