Zamak 7 vs. C23400 Brass
Zamak 7 belongs to the zinc alloys classification, while C23400 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is Zamak 7 and the bottom bar is C23400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 86 | |
| 110 |
| Poisson's Ratio | 0.25 | |
| 0.32 |
| Shear Modulus, GPa | 33 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 370 to 640 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 160 |
| Melting Completion (Liquidus), °C | 390 | |
| 970 |
| Melting Onset (Solidus), °C | 380 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 120 |
| Thermal Expansion, µm/m-K | 27 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 27 |
| Density, g/cm3 | 6.4 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.6 |
| Embodied Energy, MJ/kg | 57 | |
| 43 |
| Embodied Water, L/kg | 380 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 12 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 15 | |
| 13 to 19 |
| Thermal Diffusivity, mm2/s | 43 | |
| 36 |
| Thermal Shock Resistance, points | 8.6 | |
| 12 to 22 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.3 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 81 to 84 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.0030 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.0050 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0.0050 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 to 0.0010 | |
| 0 |
| Zinc (Zn), % | 95.3 to 96.5 | |
| 15.7 to 19 |
| Residuals, % | 0 | |
| 0 to 0.2 |