ZA-8 vs. 295.0 Aluminum
ZA-8 belongs to the zinc alloys classification, while 295.0 aluminum belongs to the aluminum alloys. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is ZA-8 and the bottom bar is 295.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 87 to 100 | |
| 60 to 93 |
| Elastic (Young's, Tensile) Modulus, GPa | 85 to 86 | |
| 71 |
| Elongation at Break, % | 1.3 to 8.0 | |
| 2.0 to 7.2 |
| Fatigue Strength, MPa | 51 to 100 | |
| 44 to 55 |
| Poisson's Ratio | 0.26 | |
| 0.33 |
| Shear Modulus, GPa | 34 | |
| 27 |
| Shear Strength, MPa | 240 to 280 | |
| 180 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 230 to 280 |
| Tensile Strength: Yield (Proof), MPa | 210 to 290 | |
| 100 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 170 |
| Melting Completion (Liquidus), °C | 400 | |
| 640 |
| Melting Onset (Solidus), °C | 380 | |
| 530 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.1 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 880 |
| Thermal Conductivity, W/m-K | 120 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 40 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 10 |
| Density, g/cm3 | 6.3 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 7.9 |
| Embodied Energy, MJ/kg | 62 | |
| 150 |
| Embodied Water, L/kg | 420 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.8 to 28 | |
| 5.2 to 13 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 490 | |
| 77 to 340 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 46 |
| Strength to Weight: Axial, points | 9.3 to 17 | |
| 21 to 26 |
| Strength to Weight: Bending, points | 12 to 18 | |
| 27 to 32 |
| Thermal Diffusivity, mm2/s | 42 | |
| 54 |
| Thermal Shock Resistance, points | 7.6 to 13 | |
| 9.8 to 12 |
Alloy Composition
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| Aluminum (Al), % | 8.0 to 8.8 | |
| 91.4 to 95.3 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.8 to 1.3 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0 | |
| 0 to 0.35 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.045 | |
| 0.7 to 1.5 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 89.7 to 91.2 | |
| 0 to 0.35 |
| Residuals, % | 0 | |
| 0 to 0.15 |