2030 Aluminum vs. AS41B Magnesium
2030 aluminum belongs to the aluminum alloys classification, while AS41B magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 2030 aluminum and the bottom bar is AS41B magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 45 |
| Elongation at Break, % | 5.6 to 8.0 | |
| 6.0 |
| Fatigue Strength, MPa | 91 to 110 | |
| 97 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 220 to 250 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 420 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 240 to 270 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 110 |
| Melting Completion (Liquidus), °C | 640 | |
| 620 |
| Melting Onset (Solidus), °C | 510 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 1000 |
| Thermal Conductivity, W/m-K | 130 | |
| 68 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 92 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 12 |
| Density, g/cm3 | 3.1 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1140 | |
| 980 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 26 | |
| 11 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 to 530 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 45 | |
| 72 |
| Strength to Weight: Axial, points | 33 to 38 | |
| 35 |
| Strength to Weight: Bending, points | 37 to 40 | |
| 47 |
| Thermal Diffusivity, mm2/s | 50 | |
| 41 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 88.9 to 95.2 | |
| 3.5 to 5.0 |
| Bismuth (Bi), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 to 0.1 | |
| 0 |
| Copper (Cu), % | 3.3 to 4.5 | |
| 0 to 0.020 |
| Iron (Fe), % | 0 to 0.7 | |
| 0 to 0.0035 |
| Lead (Pb), % | 0.8 to 1.5 | |
| 0 |
| Magnesium (Mg), % | 0.5 to 1.3 | |
| 92.7 to 95.7 |
| Manganese (Mn), % | 0.2 to 1.0 | |
| 0.35 to 0.7 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0020 |
| Silicon (Si), % | 0 to 0.8 | |
| 0.5 to 1.5 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 0.12 |
| Residuals, % | 0 to 0.3 | |
| 0 |