ZA-27 vs. 204.0 Aluminum
ZA-27 belongs to the zinc alloys classification, while 204.0 aluminum belongs to the aluminum alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. 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-27 and the bottom bar is 204.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 100 to 120 | |
| 90 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 78 | |
| 71 |
| Elongation at Break, % | 2.0 to 4.5 | |
| 5.7 to 7.8 |
| Fatigue Strength, MPa | 110 to 170 | |
| 63 to 77 |
| Poisson's Ratio | 0.27 | |
| 0.33 |
| Shear Modulus, GPa | 31 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 400 to 430 | |
| 230 to 340 |
| Tensile Strength: Yield (Proof), MPa | 260 to 370 | |
| 180 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 480 | |
| 650 |
| Melting Onset (Solidus), °C | 380 | |
| 580 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.3 |
| Specific Heat Capacity, J/kg-K | 530 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 120 |
| Thermal Expansion, µm/m-K | 26 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 | |
| 29 to 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 53 | |
| 87 to 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 11 |
| Density, g/cm3 | 5.0 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 8.0 |
| Embodied Energy, MJ/kg | 80 | |
| 150 |
| Embodied Water, L/kg | 570 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 8.1 to 18 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 420 to 890 | |
| 220 to 350 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 28 | |
| 46 |
| Strength to Weight: Axial, points | 22 to 24 | |
| 21 to 31 |
| Strength to Weight: Bending, points | 24 to 25 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 47 | |
| 46 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 12 to 18 |
Alloy Composition
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| Aluminum (Al), % | 25 to 28 | |
| 93.4 to 95.5 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 2.0 to 2.5 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 |
| Magnesium (Mg), % | 0.010 to 0.020 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.080 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 69.3 to 73 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |