C66900 Brass vs. Grey Cast Iron
C66900 brass belongs to the copper alloys classification, while grey cast iron belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C66900 brass and the bottom bar is grey cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 180 |
| Elongation at Break, % | 1.1 to 26 | |
| 9.6 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 45 | |
| 69 |
| Shear Strength, MPa | 290 to 440 | |
| 180 to 610 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 770 | |
| 160 to 450 |
| Tensile Strength: Yield (Proof), MPa | 330 to 760 | |
| 98 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 280 |
| Melting Completion (Liquidus), °C | 860 | |
| 1380 |
| Melting Onset (Solidus), °C | 850 | |
| 1180 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 490 |
| Thermal Expansion, µm/m-K | 20 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.8 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 1.9 |
| Density, g/cm3 | 8.2 | |
| 7.5 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 1.5 |
| Embodied Energy, MJ/kg | 46 | |
| 21 |
| Embodied Water, L/kg | 310 | |
| 44 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.6 to 200 | |
| 13 to 37 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2450 | |
| 27 to 240 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 25 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 5.8 to 17 |
| Strength to Weight: Bending, points | 16 to 23 | |
| 8.7 to 17 |
| Thermal Shock Resistance, points | 14 to 23 | |
| 6.0 to 17 |
Alloy Composition
| Carbon (C), % | 0 | |
| 3.1 to 3.4 |
| Copper (Cu), % | 62.5 to 64.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 92.1 to 93.9 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 11.5 to 12.5 | |
| 0.5 to 0.7 |
| Phosphorus (P), % | 0 | |
| 0 to 0.9 |
| Silicon (Si), % | 0 | |
| 2.5 to 2.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 22.5 to 26 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |