Grade 20 Cast Iron vs. C66100 Bronze
Grade 20 cast iron belongs to the iron alloys classification, while C66100 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is grade 20 cast iron and the bottom bar is C66100 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 120 |
| Elongation at Break, % | 9.6 | |
| 8.0 to 40 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 69 | |
| 43 |
| Shear Strength, MPa | 180 | |
| 280 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 410 to 790 |
| Tensile Strength: Yield (Proof), MPa | 98 | |
| 120 to 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 260 |
| Melting Completion (Liquidus), °C | 1380 | |
| 1050 |
| Melting Onset (Solidus), °C | 1180 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 400 |
| Thermal Conductivity, W/m-K | 46 | |
| 34 |
| Thermal Expansion, µm/m-K | 11 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 29 |
| Density, g/cm3 | 7.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.6 |
| Embodied Energy, MJ/kg | 21 | |
| 42 |
| Embodied Water, L/kg | 44 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 | |
| 53 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 27 | |
| 60 to 790 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 5.8 | |
| 13 to 25 |
| Strength to Weight: Bending, points | 8.7 | |
| 14 to 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 9.7 |
| Thermal Shock Resistance, points | 6.0 | |
| 15 to 29 |
Alloy Composition
| Carbon (C), % | 3.1 to 3.4 | |
| 0 |
| Copper (Cu), % | 0 | |
| 92 to 97 |
| Iron (Fe), % | 92.1 to 93.9 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0.2 to 0.8 |
| Manganese (Mn), % | 0.5 to 0.7 | |
| 0 to 1.5 |
| Phosphorus (P), % | 0 to 0.9 | |
| 0 |
| Silicon (Si), % | 2.5 to 2.8 | |
| 2.8 to 3.5 |
| Sulfur (S), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |