296.0 Aluminum vs. AZ31C Magnesium
296.0 aluminum belongs to the aluminum alloys classification, while AZ31C magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is 296.0 aluminum and the bottom bar is AZ31C magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 72 | |
| 45 |
| Elongation at Break, % | 3.2 to 7.1 | |
| 12 |
| Fatigue Strength, MPa | 47 to 70 | |
| 150 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 17 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 270 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 110 |
| Melting Completion (Liquidus), °C | 630 | |
| 600 |
| Melting Onset (Solidus), °C | 540 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 990 |
| Thermal Conductivity, W/m-K | 130 to 150 | |
| 130 |
| Thermal Expansion, µm/m-K | 22 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 33 to 37 | |
| 19 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 to 110 | |
| 98 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 3.0 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 7.8 | |
| 23 |
| Embodied Energy, MJ/kg | 150 | |
| 160 |
| Embodied Water, L/kg | 1110 | |
| 970 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.6 to 15 | |
| 28 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 220 | |
| 440 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 46 | |
| 70 |
| Strength to Weight: Axial, points | 24 to 25 | |
| 42 |
| Strength to Weight: Bending, points | 30 to 31 | |
| 53 |
| Thermal Diffusivity, mm2/s | 51 to 56 | |
| 74 |
| Thermal Shock Resistance, points | 12 | |
| 16 |
Alloy Composition
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| Aluminum (Al), % | 89 to 94 | |
| 2.4 to 3.6 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 1.2 | |
| 0 |
| Magnesium (Mg), % | 0 to 0.050 | |
| 93.4 to 97 |
| Manganese (Mn), % | 0 to 0.35 | |
| 0.15 to 1.0 |
| Nickel (Ni), % | 0 to 0.35 | |
| 0 to 0.030 |
| Silicon (Si), % | 2.0 to 3.0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0.5 to 1.5 |
| Residuals, % | 0 to 0.35 | |
| 0 to 0.3 |