AS41B Magnesium vs. 6101B Aluminum
AS41B magnesium belongs to the magnesium alloys classification, while 6101B aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AS41B magnesium and the bottom bar is 6101B aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 68 |
| Elongation at Break, % | 6.0 | |
| 9.1 to 13 |
| Fatigue Strength, MPa | 97 | |
| 62 to 70 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 120 | |
| 120 to 150 |
| Tensile Strength: Ultimate (UTS), MPa | 210 | |
| 190 to 250 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 140 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 160 |
| Melting Completion (Liquidus), °C | 620 | |
| 640 |
| Melting Onset (Solidus), °C | 570 | |
| 630 |
| Specific Heat Capacity, J/kg-K | 1000 | |
| 900 |
| Thermal Conductivity, W/m-K | 68 | |
| 210 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 57 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 92 | |
| 190 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 980 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 20 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 | |
| 140 to 240 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 72 | |
| 50 |
| Strength to Weight: Axial, points | 35 | |
| 20 to 25 |
| Strength to Weight: Bending, points | 47 | |
| 27 to 32 |
| Thermal Diffusivity, mm2/s | 41 | |
| 87 |
| Thermal Shock Resistance, points | 13 | |
| 8.5 to 11 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 5.0 | |
| 98.2 to 99.3 |
| Copper (Cu), % | 0 to 0.020 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.0035 | |
| 0.1 to 0.3 |
| Magnesium (Mg), % | 92.7 to 95.7 | |
| 0.35 to 0.6 |
| Manganese (Mn), % | 0.35 to 0.7 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0.3 to 0.6 |
| Zinc (Zn), % | 0 to 0.12 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.1 |