ZA-8 vs. C67400 Bronze
ZA-8 belongs to the zinc alloys classification, while C67400 bronze belongs to the copper alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is ZA-8 and the bottom bar is C67400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 110 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 22 to 28 |
| Poisson's Ratio | 0.26 | |
| 0.31 |
| Rockwell B Hardness | 54 to 65 | |
| 78 to 85 |
| Shear Modulus, GPa | 34 | |
| 41 |
| Shear Strength, MPa | 240 to 280 | |
| 310 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 480 to 610 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 250 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 130 |
| Melting Completion (Liquidus), °C | 400 | |
| 890 |
| Melting Onset (Solidus), °C | 380 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 400 |
| Thermal Conductivity, W/m-K | 120 | |
| 100 |
| Thermal Expansion, µm/m-K | 23 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 23 |
| Density, g/cm3 | 6.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.8 |
| Embodied Energy, MJ/kg | 62 | |
| 48 |
| Embodied Water, L/kg | 420 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 300 to 660 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 23 | |
| 20 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 17 to 20 |
| Thermal Diffusivity, mm2/s | 42 | |
| 32 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 16 to 20 |
Alloy Composition
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| Aluminum (Al), % | 8.0 to 8.8 | |
| 0.5 to 2.0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 57 to 60 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 2.0 to 3.5 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 to 0.045 | |
| 0.5 to 1.5 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 to 0.3 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 31.1 to 40 |
| Residuals, % | 0 | |
| 0 to 0.5 |