6101B Aluminum vs. AZ80A Magnesium
6101B aluminum belongs to the aluminum alloys classification, while AZ80A magnesium belongs to the magnesium alloys.
For each property being compared, the top bar is 6101B aluminum and the bottom bar is AZ80A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 46 |
| Elongation at Break, % | 9.1 to 13 | |
| 3.9 to 8.5 |
| Fatigue Strength, MPa | 62 to 70 | |
| 140 to 170 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 18 |
| Shear Strength, MPa | 120 to 150 | |
| 160 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 250 | |
| 320 to 340 |
| Tensile Strength: Yield (Proof), MPa | 140 to 180 | |
| 210 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 130 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 630 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 990 |
| Thermal Conductivity, W/m-K | 210 | |
| 77 |
| Thermal Expansion, µm/m-K | 23 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 57 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 190 | |
| 59 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 12 |
| Density, g/cm3 | 2.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1190 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 23 | |
| 12 to 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 240 | |
| 500 to 600 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 69 |
| Strength to Weight: Axial, points | 20 to 25 | |
| 51 to 55 |
| Strength to Weight: Bending, points | 27 to 32 | |
| 60 to 63 |
| Thermal Diffusivity, mm2/s | 87 | |
| 45 |
| Thermal Shock Resistance, points | 8.5 to 11 | |
| 19 to 20 |
Alloy Composition
| Aluminum (Al), % | 98.2 to 99.3 | |
| 7.8 to 9.2 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 to 0.050 |
| Iron (Fe), % | 0.1 to 0.3 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 0.35 to 0.6 | |
| 89 to 91.9 |
| Manganese (Mn), % | 0 to 0.050 | |
| 0.12 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0.2 to 0.8 |
| Residuals, % | 0 | |
| 0 to 0.3 |