ZK61A Magnesium vs. C61000 Bronze
ZK61A magnesium belongs to the magnesium alloys classification, while C61000 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 ZK61A magnesium and the bottom bar is C61000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 110 |
| Elongation at Break, % | 5.8 to 7.1 | |
| 29 to 50 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 18 | |
| 42 |
| Shear Strength, MPa | 170 to 180 | |
| 280 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 310 | |
| 390 to 460 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 150 to 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 210 |
| Melting Completion (Liquidus), °C | 640 | |
| 1040 |
| Melting Onset (Solidus), °C | 530 | |
| 990 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 420 |
| Thermal Conductivity, W/m-K | 120 | |
| 69 |
| Thermal Expansion, µm/m-K | 27 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 15 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 29 |
| Density, g/cm3 | 1.9 | |
| 8.5 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 3.0 |
| Embodied Energy, MJ/kg | 160 | |
| 49 |
| Embodied Water, L/kg | 940 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 19 | |
| 110 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 to 420 | |
| 100 to 160 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 62 | |
| 19 |
| Strength to Weight: Axial, points | 42 to 45 | |
| 13 to 15 |
| Strength to Weight: Bending, points | 50 to 53 | |
| 14 to 16 |
| Thermal Diffusivity, mm2/s | 65 | |
| 19 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 14 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 6.0 to 8.5 |
| Copper (Cu), % | 0 to 0.1 | |
| 90.2 to 94 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 92.1 to 93.9 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 5.5 to 6.5 | |
| 0 to 0.2 |
| Zirconium (Zr), % | 0.6 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.5 |