6151 Aluminum vs. ZA-27
6151 aluminum belongs to the aluminum alloys classification, while ZA-27 belongs to the zinc alloys. They have a modest 27% 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 6151 aluminum and the bottom bar is ZA-27.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 78 |
| Elongation at Break, % | 1.1 to 5.7 | |
| 2.0 to 4.5 |
| Fatigue Strength, MPa | 80 to 100 | |
| 110 to 170 |
| Poisson's Ratio | 0.33 | |
| 0.27 |
| Shear Modulus, GPa | 26 | |
| 31 |
| Shear Strength, MPa | 190 to 200 | |
| 230 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 340 | |
| 400 to 430 |
| Tensile Strength: Yield (Proof), MPa | 270 to 280 | |
| 260 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 130 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 120 |
| Melting Completion (Liquidus), °C | 650 | |
| 480 |
| Melting Onset (Solidus), °C | 590 | |
| 380 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 530 |
| Thermal Conductivity, W/m-K | 170 | |
| 130 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 45 | |
| 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 150 | |
| 53 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 11 |
| Density, g/cm3 | 2.7 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 8.2 | |
| 4.2 |
| Embodied Energy, MJ/kg | 150 | |
| 80 |
| Embodied Water, L/kg | 1180 | |
| 570 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.5 to 18 | |
| 8.1 to 18 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 520 to 580 | |
| 420 to 890 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 50 | |
| 28 |
| Strength to Weight: Axial, points | 34 | |
| 22 to 24 |
| Strength to Weight: Bending, points | 39 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 70 | |
| 47 |
| Thermal Shock Resistance, points | 15 | |
| 14 to 15 |
Alloy Composition
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| Aluminum (Al), % | 95.6 to 98.8 | |
| 25 to 28 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0060 |
| Chromium (Cr), % | 0.15 to 0.35 | |
| 0 |
| Copper (Cu), % | 0 to 0.35 | |
| 2.0 to 2.5 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.0060 |
| Magnesium (Mg), % | 0.45 to 0.8 | |
| 0.010 to 0.020 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.6 to 1.2 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 69.3 to 73 |
| Residuals, % | 0 to 0.15 | |
| 0 |