ISO-WD32260 Magnesium vs. 7175 Aluminum
ISO-WD32260 magnesium belongs to the magnesium alloys classification, while 7175 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is ISO-WD32260 magnesium and the bottom bar is 7175 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 70 |
| Elongation at Break, % | 4.5 to 6.0 | |
| 3.8 to 5.9 |
| Fatigue Strength, MPa | 150 to 190 | |
| 150 to 180 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 190 to 200 | |
| 290 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 340 | |
| 520 to 570 |
| Tensile Strength: Yield (Proof), MPa | 230 to 250 | |
| 430 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 |
| Melting Completion (Liquidus), °C | 600 | |
| 640 |
| Melting Onset (Solidus), °C | 520 | |
| 480 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 870 |
| Thermal Conductivity, W/m-K | 110 | |
| 140 |
| Thermal Expansion, µm/m-K | 27 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 33 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 140 | |
| 99 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 10 |
| Density, g/cm3 | 1.9 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.2 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 940 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 19 | |
| 18 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 to 700 | |
| 1310 to 1730 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 63 | |
| 46 |
| Strength to Weight: Axial, points | 48 to 51 | |
| 48 to 52 |
| Strength to Weight: Bending, points | 56 to 58 | |
| 48 to 51 |
| Thermal Diffusivity, mm2/s | 63 | |
| 53 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 23 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 88 to 91.4 |
| Chromium (Cr), % | 0 | |
| 0.18 to 0.28 |
| Copper (Cu), % | 0 | |
| 1.2 to 2.0 |
| Iron (Fe), % | 0 | |
| 0 to 0.2 |
| Magnesium (Mg), % | 92.7 to 94.8 | |
| 2.1 to 2.9 |
| Manganese (Mn), % | 0 | |
| 0 to 0.1 |
| Silicon (Si), % | 0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 4.8 to 6.2 | |
| 5.1 to 6.1 |
| Zirconium (Zr), % | 0.45 to 0.8 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |