712.0 Aluminum vs. ISO-WD32250 Magnesium
712.0 aluminum belongs to the aluminum alloys classification, while ISO-WD32250 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 712.0 aluminum and the bottom bar is ISO-WD32250 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 4.5 to 4.7 | |
| 4.5 to 8.6 |
| Fatigue Strength, MPa | 140 to 180 | |
| 170 to 210 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Shear Strength, MPa | 180 | |
| 180 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 260 | |
| 310 to 330 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 240 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 120 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 610 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 980 |
| Thermal Conductivity, W/m-K | 160 | |
| 130 |
| Thermal Expansion, µm/m-K | 24 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 40 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 13 |
| Density, g/cm3 | 3.0 | |
| 1.8 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 24 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1140 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 14 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 270 | |
| 630 to 930 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 46 | |
| 67 |
| Strength to Weight: Axial, points | 24 to 25 | |
| 49 to 51 |
| Strength to Weight: Bending, points | 30 to 31 | |
| 58 to 60 |
| Thermal Diffusivity, mm2/s | 62 | |
| 72 |
| Thermal Shock Resistance, points | 11 | |
| 19 to 20 |
Alloy Composition
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| Aluminum (Al), % | 90.7 to 94 | |
| 0 |
| Chromium (Cr), % | 0.4 to 0.6 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 |
| Magnesium (Mg), % | 0.5 to 0.65 | |
| 94.9 to 97.1 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Titanium (Ti), % | 0.15 to 0.25 | |
| 0 |
| Zinc (Zn), % | 5.0 to 6.5 | |
| 2.5 to 4.0 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 0.8 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.3 |