AZ91E Magnesium vs. C92200 Bronze
AZ91E magnesium belongs to the magnesium alloys classification, while C92200 bronze belongs to the copper alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 C92200 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 310 to 410 | |
| 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 110 |
| Elongation at Break, % | 2.5 to 6.2 | |
| 25 |
| Fatigue Strength, MPa | 81 to 85 | |
| 76 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 18 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 260 | |
| 280 |
| Tensile Strength: Yield (Proof), MPa | 96 to 130 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 600 | |
| 990 |
| Melting Onset (Solidus), °C | 500 | |
| 830 |
| Solidification (Pattern Maker's) Shrinkage, % | 1.3 | |
| 1.6 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 370 |
| Thermal Conductivity, W/m-K | 84 | |
| 70 |
| Thermal Expansion, µm/m-K | 27 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 to 12 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 52 to 60 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 32 |
| Density, g/cm3 | 1.7 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 3.2 |
| Embodied Energy, MJ/kg | 160 | |
| 52 |
| Embodied Water, L/kg | 990 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.4 to 12 | |
| 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 190 | |
| 87 |
| Stiffness to Weight: Axial, points | 15 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 69 | |
| 18 |
| Strength to Weight: Axial, points | 25 to 42 | |
| 8.9 |
| Strength to Weight: Bending, points | 37 to 53 | |
| 11 |
| Thermal Diffusivity, mm2/s | 49 | |
| 21 |
| Thermal Shock Resistance, points | 9.0 to 15 | |
| 9.9 |
Alloy Composition
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| Aluminum (Al), % | 8.1 to 9.3 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 to 0.015 | |
| 86 to 90 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 1.0 to 2.0 |
| Magnesium (Mg), % | 88.8 to 91.3 | |
| 0 |
| Manganese (Mn), % | 0.17 to 0.35 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0010 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 0.4 to 1.0 | |
| 3.0 to 5.0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.7 |