Permanent Mold ZA-8 vs. C76200 Nickel Silver
Permanent mold ZA-8 belongs to the zinc alloys classification, while C76200 nickel silver belongs to the copper alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is permanent mold ZA-8 and the bottom bar is C76200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 | |
| 120 |
| Poisson's Ratio | 0.26 | |
| 0.31 |
| Rockwell B Hardness | 54 | |
| 28 to 99 |
| Shear Modulus, GPa | 34 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 170 |
| Melting Completion (Liquidus), °C | 400 | |
| 1030 |
| Melting Onset (Solidus), °C | 380 | |
| 980 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 45 |
| Thermal Expansion, µm/m-K | 23 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 9.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 29 |
| Density, g/cm3 | 6.3 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 3.6 |
| Embodied Energy, MJ/kg | 62 | |
| 57 |
| Embodied Water, L/kg | 420 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 9.3 | |
| 13 to 27 |
| Strength to Weight: Bending, points | 12 | |
| 14 to 23 |
| Thermal Diffusivity, mm2/s | 42 | |
| 14 |
| Thermal Shock Resistance, points | 7.6 | |
| 13 to 26 |
Alloy Composition
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| Aluminum (Al), % | 8.0 to 8.8 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 57 to 61 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 0.1 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.020 | |
| 11 to 13.5 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 24.2 to 32 |
| Residuals, % | 0 | |
| 0 to 0.5 |