ZA-8 vs. Z21721 Zinc
Both ZA-8 and Z21721 zinc are zinc alloys. They have a moderately high 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ZA-8 and the bottom bar is Z21721 zinc.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 87 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 40 |
| Poisson's Ratio | 0.26 | |
| 0.25 |
| Shear Modulus, GPa | 34 | |
| 35 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 150 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 120 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 110 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 90 |
| Melting Completion (Liquidus), °C | 400 | |
| 410 |
| Melting Onset (Solidus), °C | 380 | |
| 390 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 37 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 6.3 | |
| 6.6 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.8 |
| Embodied Energy, MJ/kg | 62 | |
| 53 |
| Embodied Water, L/kg | 420 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 57 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 88 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 23 | |
| 22 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 6.4 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 9.6 |
| Thermal Diffusivity, mm2/s | 42 | |
| 44 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 4.8 |
Alloy Composition
| Aluminum (Al), % | 8.0 to 8.8 | |
| 0 to 0.0020 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 to 0.070 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 0.010 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.045 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 98.9 to 100 |