Zamak 7 vs. C75700 Nickel Silver
Zamak 7 belongs to the zinc alloys classification, while C75700 nickel silver belongs to the copper alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C75700 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 86 | |
| 120 |
| Elongation at Break, % | 13 | |
| 3.2 to 22 |
| Poisson's Ratio | 0.25 | |
| 0.32 |
| Shear Modulus, GPa | 33 | |
| 45 |
| Shear Strength, MPa | 210 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 590 to 610 |
| Tensile Strength: Yield (Proof), MPa | 250 | |
| 470 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 180 |
| Melting Completion (Liquidus), °C | 390 | |
| 1040 |
| Melting Onset (Solidus), °C | 380 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 40 |
| Thermal Expansion, µm/m-K | 27 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 38 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 30 |
| Density, g/cm3 | 6.4 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 3.6 |
| Embodied Energy, MJ/kg | 57 | |
| 56 |
| Embodied Water, L/kg | 380 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 | |
| 19 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 930 to 1410 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 12 | |
| 19 to 20 |
| Strength to Weight: Bending, points | 15 | |
| 19 |
| Thermal Diffusivity, mm2/s | 43 | |
| 12 |
| Thermal Shock Resistance, points | 8.6 | |
| 22 to 23 |
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 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.0030 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 0.0050 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0.0050 to 0.020 | |
| 11 to 13 |
| Tin (Sn), % | 0 to 0.0010 | |
| 0 |
| Zinc (Zn), % | 95.3 to 96.5 | |
| 19.2 to 25.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |