ZA-12 vs. ZK60A Magnesium
ZA-12 belongs to the zinc alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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-12 and the bottom bar is ZK60A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 83 | |
| 46 |
| Elongation at Break, % | 1.6 to 5.3 | |
| 4.5 to 9.9 |
| Fatigue Strength, MPa | 73 to 120 | |
| 150 to 180 |
| Poisson's Ratio | 0.26 | |
| 0.29 |
| Shear Modulus, GPa | 33 | |
| 18 |
| Shear Strength, MPa | 240 to 300 | |
| 170 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 400 | |
| 320 to 330 |
| Tensile Strength: Yield (Proof), MPa | 210 to 320 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 100 | |
| 120 |
| Melting Completion (Liquidus), °C | 430 | |
| 600 |
| Melting Onset (Solidus), °C | 380 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 960 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 24 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 29 to 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 42 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 13 |
| Density, g/cm3 | 6.0 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 23 |
| Embodied Energy, MJ/kg | 64 | |
| 160 |
| Embodied Water, L/kg | 440 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.0 to 20 | |
| 14 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 260 to 620 | |
| 570 to 690 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 63 |
| Strength to Weight: Axial, points | 12 to 19 | |
| 47 to 49 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 55 to 56 |
| Thermal Diffusivity, mm2/s | 43 | |
| 66 |
| Thermal Shock Resistance, points | 9.4 to 14 | |
| 19 to 20 |
Alloy Composition
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| Aluminum (Al), % | 10.5 to 11.5 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0060 | |
| 0 |
| Copper (Cu), % | 0.5 to 1.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.075 | |
| 0 |
| Lead (Pb), % | 0 to 0.0060 | |
| 0 |
| Magnesium (Mg), % | 0.015 to 0.030 | |
| 92.5 to 94.8 |
| Nickel (Ni), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0 to 0.060 | |
| 0 |
| Tin (Sn), % | 0 to 0.0030 | |
| 0 |
| Zinc (Zn), % | 87.1 to 89 | |
| 4.8 to 6.2 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |