Automotive Grey Cast Iron vs. C61900 Bronze
Automotive grey cast iron belongs to the iron alloys classification, while C61900 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is automotive grey cast iron and the bottom bar is C61900 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 110 |
| Elongation at Break, % | 9.6 to 14 | |
| 21 to 32 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 69 to 70 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 140 to 290 | |
| 570 to 650 |
| Tensile Strength: Yield (Proof), MPa | 94 to 200 | |
| 230 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 to 280 | |
| 230 |
| Melting Completion (Liquidus), °C | 1380 to 1390 | |
| 1050 |
| Melting Onset (Solidus), °C | 1340 to 1350 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 440 |
| Thermal Conductivity, W/m-K | 41 to 43 | |
| 79 |
| Thermal Expansion, µm/m-K | 12 to 14 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 to 7.6 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.8 to 9.1 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 to 3.0 | |
| 28 |
| Density, g/cm3 | 7.5 to 7.6 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 1.5 to 1.7 | |
| 3.1 |
| Embodied Energy, MJ/kg | 21 to 24 | |
| 51 |
| Embodied Water, L/kg | 44 to 51 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 25 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 25 to 110 | |
| 230 to 430 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 5.2 to 11 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 8.0 to 13 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 11 to 12 | |
| 22 |
| Thermal Shock Resistance, points | 4.2 to 8.6 | |
| 20 to 23 |