AS41B Magnesium vs. 7005 Aluminum
AS41B magnesium belongs to the magnesium alloys classification, while 7005 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AS41B magnesium and the bottom bar is 7005 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 6.0 | |
| 10 to 20 |
| Fatigue Strength, MPa | 97 | |
| 100 to 190 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 120 | |
| 120 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 200 to 400 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 95 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 200 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 880 |
| Thermal Conductivity, W/m-K | 68 | |
| 140 to 170 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 35 to 43 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 92 | |
| 110 to 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.9 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 980 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 32 to 57 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 65 to 850 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 72 | |
| 47 |
| Strength to Weight: Axial, points | 35 | |
| 19 to 38 |
| Strength to Weight: Bending, points | 47 | |
| 26 to 41 |
| Thermal Diffusivity, mm2/s | 41 | |
| 54 to 65 |
| Thermal Shock Resistance, points | 13 | |
| 8.7 to 18 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 5.0 | |
| 91 to 94.7 |
| Chromium (Cr), % | 0 | |
| 0.060 to 0.2 |
| Copper (Cu), % | 0 to 0.020 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.0035 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 92.7 to 95.7 | |
| 1.0 to 1.8 |
| Manganese (Mn), % | 0.35 to 0.7 | |
| 0.2 to 0.7 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0 to 0.35 |
| Titanium (Ti), % | 0 | |
| 0.010 to 0.060 |
| Zinc (Zn), % | 0 to 0.12 | |
| 4.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0.080 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |