Austempered Cast Iron vs. C34000 Brass
Austempered cast iron belongs to the iron alloys classification, while C34000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is austempered cast iron and the bottom bar is C34000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 100 |
| Poisson's Ratio | 0.29 | |
| 0.31 |
| Shear Modulus, GPa | 62 to 69 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 860 to 1800 | |
| 340 to 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 170 |
| Melting Completion (Liquidus), °C | 1380 | |
| 930 |
| Melting Onset (Solidus), °C | 1340 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 380 |
| Thermal Conductivity, W/m-K | 42 | |
| 120 |
| Thermal Expansion, µm/m-K | 13 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.9 | |
| 24 |
| Density, g/cm3 | 7.5 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 1.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 25 | |
| 45 |
| Embodied Water, L/kg | 48 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 32 to 66 | |
| 11 to 22 |
| Strength to Weight: Bending, points | 27 to 44 | |
| 13 to 21 |
| Thermal Diffusivity, mm2/s | 11 | |
| 37 |
| Thermal Shock Resistance, points | 25 to 53 | |
| 11 to 22 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.050 | |
| 0 |
| Arsenic (As), % | 0 to 0.020 | |
| 0 |
| Carbon (C), % | 3.4 to 3.8 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 0 to 0.8 | |
| 62 to 65 |
| Iron (Fe), % | 89.6 to 94 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0.8 to 1.5 |
| Magnesium (Mg), % | 0 to 0.040 | |
| 0 |
| Manganese (Mn), % | 0.3 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0 to 2.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Selenium (Se), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 2.3 to 2.7 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 to 0.020 | |
| 0 |
| Vanadium (V), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 33 to 37.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |