AZ91E Magnesium vs. C22600 Bronze
AZ91E magnesium belongs to the magnesium alloys classification, while C22600 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is AZ91E magnesium and the bottom bar is C22600 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 110 |
| Elongation at Break, % | 2.5 to 6.2 | |
| 2.5 to 33 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 42 |
| Shear Strength, MPa | 89 to 150 | |
| 220 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 260 | |
| 330 to 570 |
| Tensile Strength: Yield (Proof), MPa | 96 to 130 | |
| 270 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 1040 |
| Melting Onset (Solidus), °C | 500 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 390 |
| Thermal Conductivity, W/m-K | 84 | |
| 170 |
| Thermal Expansion, µm/m-K | 27 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 to 12 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 52 to 60 | |
| 42 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 28 |
| Density, g/cm3 | 1.7 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 2.6 |
| Embodied Energy, MJ/kg | 160 | |
| 42 |
| Embodied Water, L/kg | 990 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.4 to 12 | |
| 14 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 190 | |
| 330 to 1070 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 69 | |
| 19 |
| Strength to Weight: Axial, points | 25 to 42 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 37 to 53 | |
| 12 to 18 |
| Thermal Diffusivity, mm2/s | 49 | |
| 52 |
| Thermal Shock Resistance, points | 9.0 to 15 | |
| 11 to 19 |
Alloy Composition
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| Aluminum (Al), % | 8.1 to 9.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.015 | |
| 86 to 89 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Magnesium (Mg), % | 88.8 to 91.3 | |
| 0 |
| Manganese (Mn), % | 0.17 to 0.35 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0010 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0.4 to 1.0 | |
| 10.7 to 14 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.2 |