5456 Aluminum vs. AZ61A Magnesium
5456 aluminum belongs to the aluminum alloys classification, while AZ61A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 5456 aluminum and the bottom bar is AZ61A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 45 |
| Elongation at Break, % | 11 to 18 | |
| 11 |
| Fatigue Strength, MPa | 130 to 210 | |
| 130 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 17 |
| Shear Strength, MPa | 190 to 210 | |
| 150 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 340 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 150 to 250 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 120 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 570 | |
| 530 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 990 |
| Thermal Conductivity, W/m-K | 120 | |
| 79 |
| Thermal Expansion, µm/m-K | 24 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 97 | |
| 62 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1170 | |
| 980 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 33 to 46 | |
| 27 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 470 | |
| 310 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 69 |
| Strength to Weight: Axial, points | 33 to 35 | |
| 46 |
| Strength to Weight: Bending, points | 38 to 40 | |
| 56 |
| Thermal Diffusivity, mm2/s | 48 | |
| 47 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 17 |
Alloy Composition
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| Aluminum (Al), % | 92 to 94.8 | |
| 5.5 to 7.2 |
| Chromium (Cr), % | 0.050 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 4.7 to 5.5 | |
| 90.3 to 93.9 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 0.15 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0.4 to 1.5 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.3 |