AZ91C Magnesium vs. 710.0 Aluminum
AZ91C magnesium belongs to the magnesium alloys classification, while 710.0 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is AZ91C magnesium and the bottom bar is 710.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 70 |
| Elongation at Break, % | 2.3 to 7.9 | |
| 2.2 to 3.6 |
| Fatigue Strength, MPa | 56 to 85 | |
| 55 to 110 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 96 to 160 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 170 to 270 | |
| 240 to 250 |
| Tensile Strength: Yield (Proof), MPa | 83 to 130 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 650 |
| Melting Onset (Solidus), °C | 470 | |
| 610 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 870 |
| Thermal Conductivity, W/m-K | 73 | |
| 140 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.9 to 12 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 52 to 60 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 8.0 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 990 | |
| 1130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.2 to 16 | |
| 4.9 to 7.9 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 180 | |
| 180 to 190 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 69 | |
| 46 |
| Strength to Weight: Axial, points | 27 to 43 | |
| 23 |
| Strength to Weight: Bending, points | 39 to 53 | |
| 29 |
| Thermal Diffusivity, mm2/s | 43 | |
| 53 |
| Thermal Shock Resistance, points | 9.9 to 16 | |
| 10 to 11 |
Alloy Composition
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| Aluminum (Al), % | 8.1 to 9.3 | |
| 90.5 to 93.1 |
| Copper (Cu), % | 0 to 0.1 | |
| 0.35 to 0.65 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Magnesium (Mg), % | 88.6 to 91.4 | |
| 0.6 to 0.8 |
| Manganese (Mn), % | 0.13 to 0.35 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 0.4 to 1.0 | |
| 6.0 to 7.0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.15 |