EN-MC21120 Magnesium vs. C62400 Bronze
EN-MC21120 magnesium belongs to the magnesium alloys classification, while C62400 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 EN-MC21120 magnesium and the bottom bar is C62400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 110 |
| Elongation at Break, % | 2.2 to 6.7 | |
| 11 to 14 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 18 | |
| 42 |
| Shear Strength, MPa | 110 to 160 | |
| 420 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 270 | |
| 690 to 730 |
| Tensile Strength: Yield (Proof), MPa | 130 to 170 | |
| 270 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 220 |
| Melting Completion (Liquidus), °C | 600 | |
| 1040 |
| Melting Onset (Solidus), °C | 490 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 440 |
| Thermal Conductivity, W/m-K | 76 | |
| 59 |
| Thermal Expansion, µm/m-K | 26 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 59 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 27 |
| Density, g/cm3 | 1.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 3.2 |
| Embodied Energy, MJ/kg | 160 | |
| 53 |
| Embodied Water, L/kg | 990 | |
| 400 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.0 to 15 | |
| 68 to 77 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 320 | |
| 320 to 550 |
| Stiffness to Weight: Axial, points | 15 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 69 | |
| 20 |
| Strength to Weight: Axial, points | 31 to 43 | |
| 23 to 25 |
| Strength to Weight: Bending, points | 43 to 53 | |
| 21 to 22 |
| Thermal Diffusivity, mm2/s | 44 | |
| 16 |
| Thermal Shock Resistance, points | 11 to 16 | |
| 25 to 26 |
Alloy Composition
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| Aluminum (Al), % | 8.3 to 9.7 | |
| 10 to 11.5 |
| Copper (Cu), % | 0 to 0.030 | |
| 82.8 to 88 |
| Iron (Fe), % | 0 to 0.0050 | |
| 2.0 to 4.5 |
| Magnesium (Mg), % | 88.6 to 91.3 | |
| 0 |
| Manganese (Mn), % | 0.1 to 0.5 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Silicon (Si), % | 0 to 0.2 | |
| 0 to 0.25 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.010 | |
| 0 to 0.5 |