AZ91A Magnesium vs. 713.0 Aluminum
AZ91A magnesium belongs to the magnesium alloys classification, while 713.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is AZ91A magnesium and the bottom bar is 713.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 63 | |
| 74 to 75 |
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 71 |
| Elongation at Break, % | 5.0 | |
| 3.9 to 4.3 |
| Fatigue Strength, MPa | 99 | |
| 63 to 120 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 27 |
| Shear Strength, MPa | 140 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 240 | |
| 240 to 260 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 360 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 180 |
| Melting Completion (Liquidus), °C | 600 | |
| 630 |
| Melting Onset (Solidus), °C | 470 | |
| 610 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 860 |
| Thermal Conductivity, W/m-K | 73 | |
| 150 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 52 | |
| 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 3.1 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 7.8 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 | |
| 8.7 to 9.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 280 | |
| 210 to 220 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 69 | |
| 45 |
| Strength to Weight: Axial, points | 38 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 49 | |
| 28 to 29 |
| Thermal Diffusivity, mm2/s | 42 | |
| 57 |
| Thermal Shock Resistance, points | 14 | |
| 10 to 11 |
Alloy Composition
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| Aluminum (Al), % | 8.3 to 9.7 | |
| 87.6 to 92.4 |
| Chromium (Cr), % | 0 | |
| 0 to 0.35 |
| Copper (Cu), % | 0 to 0.1 | |
| 0.4 to 1.0 |
| Iron (Fe), % | 0 | |
| 0 to 1.1 |
| Magnesium (Mg), % | 88.2 to 91.2 | |
| 0.2 to 0.5 |
| Manganese (Mn), % | 0.13 to 0.5 | |
| 0 to 0.6 |
| Nickel (Ni), % | 0 to 0.030 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.25 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 7.0 to 8.0 |
| Residuals, % | 0 | |
| 0 to 0.25 |