ISO-WD32350 Magnesium vs. 7003 Aluminum
ISO-WD32350 magnesium belongs to the magnesium alloys classification, while 7003 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is ISO-WD32350 magnesium and the bottom bar is 7003 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 5.7 to 10 | |
| 11 |
| Fatigue Strength, MPa | 120 to 130 | |
| 130 to 150 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 150 to 170 | |
| 210 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 250 to 290 | |
| 350 to 390 |
| Tensile Strength: Yield (Proof), MPa | 140 to 180 | |
| 300 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 95 | |
| 200 |
| Melting Completion (Liquidus), °C | 600 | |
| 630 |
| Melting Onset (Solidus), °C | 560 | |
| 510 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 870 |
| Thermal Conductivity, W/m-K | 130 | |
| 150 |
| Thermal Expansion, µm/m-K | 25 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 36 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.1 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 960 | |
| 1140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 to 23 | |
| 37 to 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 380 | |
| 630 to 710 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 68 | |
| 47 |
| Strength to Weight: Axial, points | 39 to 46 | |
| 33 to 37 |
| Strength to Weight: Bending, points | 50 to 55 | |
| 37 to 40 |
| Thermal Diffusivity, mm2/s | 73 | |
| 59 |
| Thermal Shock Resistance, points | 16 to 18 | |
| 15 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 90.6 to 94.5 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 to 0.060 | |
| 0 to 0.35 |
| Magnesium (Mg), % | 95.7 to 97.7 | |
| 0.5 to 1.0 |
| Manganese (Mn), % | 0.6 to 1.3 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.3 |
| Titanium (Ti), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 1.8 to 2.3 | |
| 5.0 to 6.5 |
| Zirconium (Zr), % | 0 | |
| 0.050 to 0.25 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |