QE22A Magnesium vs. Zamak 3
QE22A magnesium belongs to the magnesium alloys classification, while Zamak 3 belongs to the zinc 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 QE22A magnesium and the bottom bar is Zamak 3.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 80 | |
| 83 |
| Compressive (Crushing) Strength, MPa | 350 | |
| 410 |
| Elastic (Young's, Tensile) Modulus, GPa | 44 | |
| 86 |
| Elongation at Break, % | 2.4 | |
| 11 |
| Fatigue Strength, MPa | 110 | |
| 48 |
| Fracture Toughness, MPa-m1/2 | 15 | |
| 12 |
| Poisson's Ratio | 0.29 | |
| 0.25 |
| Shear Modulus, GPa | 17 | |
| 33 |
| Shear Strength, MPa | 150 | |
| 210 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 120 |
| Maximum Temperature: Mechanical, °C | 250 | |
| 95 |
| Melting Completion (Liquidus), °C | 640 | |
| 390 |
| Melting Onset (Solidus), °C | 570 | |
| 380 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.2 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 410 |
| Thermal Conductivity, W/m-K | 110 | |
| 110 |
| Thermal Expansion, µm/m-K | 27 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 38 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.0 | |
| 6.4 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 3.0 |
| Embodied Energy, MJ/kg | 220 | |
| 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 | |
| 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 400 | |
| 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 60 | |
| 23 |
| Strength to Weight: Axial, points | 36 | |
| 12 |
| Strength to Weight: Bending, points | 46 | |
| 15 |
| Thermal Diffusivity, mm2/s | 59 | |
| 43 |
| Thermal Shock Resistance, points | 15 | |
| 8.6 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.5 to 4.3 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0050 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 93.1 to 95.8 | |
| 0.020 to 0.060 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.030 |
| Silver (Ag), % | 2.0 to 3.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.0030 |
| Unspecified Rare Earths, % | 1.8 to 2.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 95.3 to 96.5 |
| Zirconium (Zr), % | 0.4 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |