C23400 Brass vs. Zamak 2
C23400 brass belongs to the copper alloys classification, while Zamak 2 belongs to the zinc alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is C23400 brass and the bottom bar is Zamak 2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 87 |
| Poisson's Ratio | 0.32 | |
| 0.26 |
| Rockwell B Hardness | 52 to 91 | |
| 63 |
| Shear Modulus, GPa | 42 | |
| 33 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 640 | |
| 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 95 |
| Melting Completion (Liquidus), °C | 970 | |
| 390 |
| Melting Onset (Solidus), °C | 930 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 120 | |
| 110 |
| Thermal Expansion, µm/m-K | 19 | |
| 28 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 12 |
| Density, g/cm3 | 8.5 | |
| 6.5 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.0 |
| Embodied Energy, MJ/kg | 43 | |
| 57 |
| Embodied Water, L/kg | 320 | |
| 380 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 12 to 21 | |
| 15 |
| Strength to Weight: Bending, points | 13 to 19 | |
| 17 |
| Thermal Diffusivity, mm2/s | 36 | |
| 41 |
| Thermal Shock Resistance, points | 12 to 22 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.5 to 4.3 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0050 |
| Copper (Cu), % | 81 to 84 | |
| 2.5 to 3.3 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0 | |
| 0.020 to 0.060 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Zinc (Zn), % | 15.7 to 19 | |
| 92.2 to 94 |
| Residuals, % | 0 to 0.2 | |
| 0 |