C24000 Brass vs. ZA-8
C24000 brass belongs to the copper alloys classification, while ZA-8 belongs to the zinc alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is C24000 brass and the bottom bar is ZA-8.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 85 to 86 |
| Poisson's Ratio | 0.32 | |
| 0.26 |
| Rockwell B Hardness | 52 to 91 | |
| 54 to 65 |
| Shear Modulus, GPa | 42 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 640 | |
| 210 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 110 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 100 |
| Melting Completion (Liquidus), °C | 1000 | |
| 400 |
| Melting Onset (Solidus), °C | 970 | |
| 380 |
| Solidification (Pattern Maker's) Shrinkage, % | 5.5 | |
| 1.1 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 440 |
| Thermal Conductivity, W/m-K | 140 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 32 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 34 | |
| 40 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 11 |
| Density, g/cm3 | 8.5 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.3 |
| Embodied Energy, MJ/kg | 43 | |
| 62 |
| Embodied Water, L/kg | 320 | |
| 420 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 10 to 21 | |
| 9.3 to 17 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 43 | |
| 42 |
| Thermal Shock Resistance, points | 10 to 22 | |
| 7.6 to 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 8.0 to 8.8 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Copper (Cu), % | 78.5 to 81.5 | |
| 0.8 to 1.3 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.075 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0 | |
| 0.015 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.045 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 18.2 to 21.5 | |
| 89.7 to 91.2 |
| Residuals, % | 0 to 0.2 | |
| 0 |