ISO-WD21150 Magnesium vs. 712.0 Aluminum
ISO-WD21150 magnesium belongs to the magnesium alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ISO-WD21150 magnesium and the bottom bar is 712.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 5.7 to 11 | |
| 4.5 to 4.7 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 27 |
| Shear Strength, MPa | 150 to 170 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 290 | |
| 250 to 260 |
| Tensile Strength: Yield (Proof), MPa | 120 to 200 | |
| 180 to 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 190 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 550 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 870 |
| Thermal Conductivity, W/m-K | 100 | |
| 160 |
| Thermal Expansion, µm/m-K | 27 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.0 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 980 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 24 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 460 | |
| 240 to 270 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 70 | |
| 46 |
| Strength to Weight: Axial, points | 40 to 48 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 52 to 58 | |
| 30 to 31 |
| Thermal Diffusivity, mm2/s | 60 | |
| 62 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 2.4 to 3.6 | |
| 90.7 to 94 |
| Chromium (Cr), % | 0 | |
| 0.4 to 0.6 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 to 0.25 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 94 to 97 | |
| 0.5 to 0.65 |
| Manganese (Mn), % | 0.15 to 0.4 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 | |
| 0.15 to 0.25 |
| Zinc (Zn), % | 0.5 to 1.5 | |
| 5.0 to 6.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.2 |