AZ63A Magnesium vs. C63020 Bronze
AZ63A magnesium belongs to the magnesium alloys classification, while C63020 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 AZ63A magnesium and the bottom bar is C63020 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 120 |
| Elongation at Break, % | 2.2 to 8.0 | |
| 6.8 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 18 | |
| 44 |
| Shear Strength, MPa | 110 to 160 | |
| 600 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 270 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 81 to 120 | |
| 740 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 230 |
| Melting Completion (Liquidus), °C | 610 | |
| 1070 |
| Melting Onset (Solidus), °C | 450 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 980 | |
| 450 |
| Thermal Conductivity, W/m-K | 52 to 65 | |
| 40 |
| Thermal Expansion, µm/m-K | 26 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 29 |
| Density, g/cm3 | 1.8 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 3.6 |
| Embodied Energy, MJ/kg | 150 | |
| 58 |
| Embodied Water, L/kg | 970 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 3.7 to 16 | |
| 63 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 71 to 160 | |
| 2320 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 66 | |
| 20 |
| Strength to Weight: Axial, points | 29 to 41 | |
| 34 |
| Strength to Weight: Bending, points | 40 to 51 | |
| 27 |
| Thermal Diffusivity, mm2/s | 29 to 37 | |
| 11 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 35 |
Alloy Composition
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| Aluminum (Al), % | 5.3 to 6.7 | |
| 10 to 11 |
| Chromium (Cr), % | 0 | |
| 0 to 0.050 |
| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 to 0.25 | |
| 74.7 to 81.8 |
| Iron (Fe), % | 0 | |
| 4.0 to 5.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Magnesium (Mg), % | 88.6 to 92.1 | |
| 0 |
| Manganese (Mn), % | 0.15 to 0.35 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 to 0.010 | |
| 4.2 to 6.0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.25 |
| Zinc (Zn), % | 2.5 to 3.5 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |