Zamak 7 vs. C18600 Copper
Zamak 7 belongs to the zinc alloys classification, while C18600 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is Zamak 7 and the bottom bar is C18600 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 86 | |
| 120 |
| Elongation at Break, % | 13 | |
| 8.0 to 11 |
| Poisson's Ratio | 0.25 | |
| 0.34 |
| Shear Modulus, GPa | 33 | |
| 44 |
| Shear Strength, MPa | 210 | |
| 310 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 520 to 580 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 500 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 200 |
| Melting Completion (Liquidus), °C | 390 | |
| 1090 |
| Melting Onset (Solidus), °C | 380 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 280 |
| Thermal Expansion, µm/m-K | 27 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 70 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 38 | |
| 71 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 31 |
| Density, g/cm3 | 6.4 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.9 |
| Embodied Energy, MJ/kg | 57 | |
| 46 |
| Embodied Water, L/kg | 380 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 | |
| 44 to 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 1060 to 1180 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 23 | |
| 18 |
| Strength to Weight: Axial, points | 12 | |
| 16 to 18 |
| Strength to Weight: Bending, points | 15 | |
| 16 to 17 |
| Thermal Diffusivity, mm2/s | 43 | |
| 81 |
| Thermal Shock Resistance, points | 8.6 | |
| 19 to 20 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.3 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.1 to 1.0 |
| Cobalt (Co), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.25 | |
| 96.5 to 99.55 |
| Iron (Fe), % | 0 to 0.075 | |
| 0.25 to 0.8 |
| Lead (Pb), % | 0 to 0.0030 | |
| 0 |
| Magnesium (Mg), % | 0.0050 to 0.020 | |
| 0 |
| Nickel (Ni), % | 0.0050 to 0.020 | |
| 0 to 0.25 |
| Tin (Sn), % | 0 to 0.0010 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0.050 to 0.5 |
| Zinc (Zn), % | 95.3 to 96.5 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 0.050 to 0.4 |
| Residuals, % | 0 | |
| 0 to 0.5 |