ISO-WD43150 Magnesium vs. 7475 Aluminum
ISO-WD43150 magnesium belongs to the magnesium alloys classification, while 7475 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is ISO-WD43150 magnesium and the bottom bar is 7475 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 2.8 | |
| 10 to 12 |
| Fatigue Strength, MPa | 100 | |
| 190 to 210 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 140 | |
| 320 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 530 to 590 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 440 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 180 |
| Melting Completion (Liquidus), °C | 610 | |
| 640 |
| Melting Onset (Solidus), °C | 590 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 870 |
| Thermal Conductivity, W/m-K | 140 | |
| 140 to 160 |
| Thermal Expansion, µm/m-K | 27 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 31 | |
| 33 to 42 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 170 | |
| 98 to 120 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 10 |
| Density, g/cm3 | 1.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 8.2 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 970 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.1 | |
| 53 to 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 1390 to 1920 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 71 | |
| 46 |
| Strength to Weight: Axial, points | 41 | |
| 49 to 55 |
| Strength to Weight: Bending, points | 52 | |
| 48 to 52 |
| Thermal Diffusivity, mm2/s | 81 | |
| 53 to 63 |
| Thermal Shock Resistance, points | 14 | |
| 23 to 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88.6 to 91.6 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.25 |
| Copper (Cu), % | 0 to 0.050 | |
| 1.2 to 1.9 |
| Iron (Fe), % | 0 | |
| 0 to 0.12 |
| Magnesium (Mg), % | 97.5 to 98.8 | |
| 1.9 to 2.6 |
| Manganese (Mn), % | 1.2 to 2.0 | |
| 0 to 0.060 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.060 |
| Zinc (Zn), % | 0 | |
| 5.1 to 6.2 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |