AZ91C Magnesium vs. 1350 Aluminum
AZ91C magnesium belongs to the magnesium alloys classification, while 1350 aluminum belongs to the aluminum alloys. There are 30 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 AZ91C magnesium and the bottom bar is 1350 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 68 |
| Elongation at Break, % | 2.3 to 7.9 | |
| 1.4 to 30 |
| Fatigue Strength, MPa | 56 to 85 | |
| 24 to 50 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 26 |
| Shear Strength, MPa | 96 to 160 | |
| 44 to 110 |
| Tensile Strength: Ultimate (UTS), MPa | 170 to 270 | |
| 68 to 190 |
| Tensile Strength: Yield (Proof), MPa | 83 to 130 | |
| 25 to 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 660 |
| Melting Onset (Solidus), °C | 470 | |
| 650 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 900 |
| Thermal Conductivity, W/m-K | 73 | |
| 230 |
| Thermal Expansion, µm/m-K | 26 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.9 to 12 | |
| 61 to 62 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 52 to 60 | |
| 200 to 210 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 1.7 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 8.3 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 990 | |
| 1200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.2 to 16 | |
| 0.77 to 54 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 180 | |
| 4.4 to 200 |
| Stiffness to Weight: Axial, points | 15 | |
| 14 |
| Stiffness to Weight: Bending, points | 69 | |
| 50 |
| Strength to Weight: Axial, points | 27 to 43 | |
| 7.0 to 19 |
| Strength to Weight: Bending, points | 39 to 53 | |
| 14 to 27 |
| Thermal Diffusivity, mm2/s | 43 | |
| 96 |
| Thermal Shock Resistance, points | 9.9 to 16 | |
| 3.0 to 8.2 |
Alloy Composition
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| Aluminum (Al), % | 8.1 to 9.3 | |
| 99.5 to 100 |
| Boron (B), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.010 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.050 |
| Gallium (Ga), % | 0 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Magnesium (Mg), % | 88.6 to 91.4 | |
| 0 |
| Manganese (Mn), % | 0.13 to 0.35 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.020 |
| Vanadium (V), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 0.4 to 1.0 | |
| 0 to 0.050 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.1 |