AZ31C Magnesium vs. 6070 Aluminum
AZ31C magnesium belongs to the magnesium alloys classification, while 6070 aluminum belongs to the aluminum alloys.
For each property being compared, the top bar is AZ31C magnesium and the bottom bar is 6070 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 70 |
| Elongation at Break, % | 12 | |
| 5.6 to 8.6 |
| Fatigue Strength, MPa | 150 | |
| 95 to 130 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 17 | |
| 26 |
| Shear Strength, MPa | 130 | |
| 220 to 240 |
| Tensile Strength: Ultimate (UTS), MPa | 260 | |
| 370 to 380 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 110 | |
| 160 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 550 | |
| 570 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 160 |
| Thermal Expansion, µm/m-K | 26 | |
| 23 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 41 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 98 | |
| 140 |
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 | 970 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 28 | |
| 20 to 32 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 440 | |
| 880 to 900 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 70 | |
| 50 |
| Strength to Weight: Axial, points | 42 | |
| 38 |
| Strength to Weight: Bending, points | 53 | |
| 42 to 43 |
| Thermal Diffusivity, mm2/s | 74 | |
| 65 |
| Thermal Shock Resistance, points | 16 | |
| 16 to 17 |
Alloy Composition
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| Aluminum (Al), % | 2.4 to 3.6 | |
| 94.6 to 98 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 to 0.1 | |
| 0.15 to 0.4 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 93.4 to 97 | |
| 0.5 to 1.2 |
| Manganese (Mn), % | 0.15 to 1.0 | |
| 0.4 to 1.0 |
| Nickel (Ni), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 1.0 to 1.7 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0.5 to 1.5 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |