Automotive Malleable Cast Iron vs. C66900 Brass
Automotive malleable cast iron belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 25 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 automotive malleable cast iron and the bottom bar is C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 120 |
| Elongation at Break, % | 1.0 to 10 | |
| 1.1 to 26 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 70 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 720 | |
| 460 to 770 |
| Tensile Strength: Yield (Proof), MPa | 220 to 590 | |
| 330 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 190 |
| Melting Completion (Liquidus), °C | 1410 | |
| 860 |
| Melting Onset (Solidus), °C | 1370 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 400 |
| Thermal Expansion, µm/m-K | 14 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 23 |
| Density, g/cm3 | 7.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.8 |
| Embodied Energy, MJ/kg | 20 | |
| 46 |
| Embodied Water, L/kg | 45 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.8 to 30 | |
| 4.6 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 950 | |
| 460 to 2450 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 20 |
| Strength to Weight: Axial, points | 13 to 26 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 14 to 24 | |
| 16 to 23 |
| Thermal Shock Resistance, points | 9.9 to 21 | |
| 14 to 23 |
Alloy Composition
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| Carbon (C), % | 2.2 to 2.9 | |
| 0 |
| Copper (Cu), % | 0 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 93.6 to 96.7 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.15 to 1.3 | |
| 11.5 to 12.5 |
| Phosphorus (P), % | 0.020 to 0.15 | |
| 0 |
| Silicon (Si), % | 0.9 to 1.9 | |
| 0 |
| Sulfur (S), % | 0.020 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 22.5 to 26 |
| Residuals, % | 0 | |
| 0 to 0.2 |