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