6005A Aluminum vs. ZK40A Magnesium
6005A aluminum belongs to the aluminum alloys classification, while ZK40A magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 6005A aluminum and the bottom bar is ZK40A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 45 |
| Elongation at Break, % | 8.6 to 17 | |
| 4.2 |
| Fatigue Strength, MPa | 55 to 110 | |
| 190 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 120 to 180 | |
| 160 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 300 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 100 to 270 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 120 |
| Melting Completion (Liquidus), °C | 650 | |
| 600 |
| Melting Onset (Solidus), °C | 600 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 970 |
| Thermal Conductivity, W/m-K | 180 to 190 | |
| 110 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 47 to 50 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 150 to 170 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 13 |
| Density, g/cm3 | 2.7 | |
| 1.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1180 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 24 to 29 | |
| 12 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 76 to 530 | |
| 740 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 65 |
| Strength to Weight: Axial, points | 20 to 30 | |
| 43 |
| Strength to Weight: Bending, points | 27 to 36 | |
| 53 |
| Thermal Diffusivity, mm2/s | 72 to 79 | |
| 62 |
| Thermal Shock Resistance, points | 8.6 to 13 | |
| 17 |
Alloy Composition
| Aluminum (Al), % | 96.5 to 99.1 | |
| 0 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.3 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 |
| Magnesium (Mg), % | 0.4 to 0.7 | |
| 94.2 to 96.1 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 |
| Silicon (Si), % | 0.5 to 0.9 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 3.5 to 4.5 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |