390.0 Aluminum vs. ISO-WD32350 Magnesium
390.0 aluminum belongs to the aluminum alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 29 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 390.0 aluminum and the bottom bar is ISO-WD32350 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 75 | |
| 45 |
| Elongation at Break, % | 1.0 | |
| 5.7 to 10 |
| Fatigue Strength, MPa | 76 to 110 | |
| 120 to 130 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 28 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 300 | |
| 250 to 290 |
| Tensile Strength: Yield (Proof), MPa | 240 to 270 | |
| 140 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 640 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 95 |
| Melting Completion (Liquidus), °C | 650 | |
| 600 |
| Melting Onset (Solidus), °C | 560 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 990 |
| Thermal Conductivity, W/m-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 18 | |
| 25 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 24 to 25 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 79 to 83 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 7.3 | |
| 23 |
| Embodied Energy, MJ/kg | 130 | |
| 160 |
| Embodied Water, L/kg | 950 | |
| 960 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 2.7 to 2.9 | |
| 14 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 470 | |
| 210 to 380 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 52 | |
| 68 |
| Strength to Weight: Axial, points | 28 to 30 | |
| 39 to 46 |
| Strength to Weight: Bending, points | 35 to 36 | |
| 50 to 55 |
| Thermal Diffusivity, mm2/s | 56 | |
| 73 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 16 to 18 |
Alloy Composition
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| Aluminum (Al), % | 74.5 to 79.6 | |
| 0 to 0.1 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.3 | |
| 0 to 0.060 |
| Magnesium (Mg), % | 0.45 to 0.65 | |
| 95.7 to 97.7 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.6 to 1.3 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 16 to 18 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 1.8 to 2.3 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.3 |