ZA-8 vs. C90500 Gun Metal
ZA-8 belongs to the zinc alloys classification, while C90500 gun metal belongs to the copper alloys. There are 31 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 ZA-8 and the bottom bar is C90500 gun metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 210 to 250 | |
| 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 110 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 20 |
| Fatigue Strength, MPa | 51 to 100 | |
| 90 |
| Poisson's Ratio | 0.26 | |
| 0.34 |
| Shear Modulus, GPa | 34 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 320 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 170 |
| Melting Completion (Liquidus), °C | 400 | |
| 1000 |
| Melting Onset (Solidus), °C | 380 | |
| 850 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.1 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 370 |
| Thermal Conductivity, W/m-K | 120 | |
| 75 |
| Thermal Expansion, µm/m-K | 23 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 35 |
| Density, g/cm3 | 6.3 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 3.6 |
| Embodied Energy, MJ/kg | 62 | |
| 59 |
| Embodied Water, L/kg | 420 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 54 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 110 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 23 | |
| 18 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 10 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 12 |
| Thermal Diffusivity, mm2/s | 42 | |
| 23 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 12 |
Alloy Composition
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| Aluminum (Al), % | 8.0 to 8.8 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.2 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 86 to 89 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 0.3 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 to 0.0030 | |
| 9.0 to 11 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 1.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |