ZK40A Magnesium vs. Monel R-405
ZK40A magnesium belongs to the magnesium alloys classification, while Monel R-405 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 ZK40A magnesium and the bottom bar is Monel R-405.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 160 |
| Elongation at Break, % | 4.2 | |
| 9.1 to 39 |
| Fatigue Strength, MPa | 190 | |
| 210 to 250 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 17 | |
| 62 |
| Shear Strength, MPa | 160 | |
| 350 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 280 | |
| 540 to 630 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 190 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 900 |
| Melting Completion (Liquidus), °C | 600 | |
| 1350 |
| Melting Onset (Solidus), °C | 540 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 970 | |
| 430 |
| Thermal Conductivity, W/m-K | 110 | |
| 23 |
| Thermal Expansion, µm/m-K | 26 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 130 | |
| 3.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 50 |
| Density, g/cm3 | 1.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 24 | |
| 7.9 |
| Embodied Energy, MJ/kg | 160 | |
| 110 |
| Embodied Water, L/kg | 950 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 49 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 740 | |
| 120 to 370 |
| Stiffness to Weight: Axial, points | 14 | |
| 10 |
| Stiffness to Weight: Bending, points | 65 | |
| 21 |
| Strength to Weight: Axial, points | 43 | |
| 17 to 20 |
| Strength to Weight: Bending, points | 53 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 62 | |
| 5.9 |
| Thermal Shock Resistance, points | 17 | |
| 17 to 20 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 28 to 34 |
| Iron (Fe), % | 0 | |
| 0 to 2.5 |
| Magnesium (Mg), % | 94.2 to 96.1 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 63 to 72 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0.025 to 0.060 |
| Zinc (Zn), % | 3.5 to 4.5 | |
| 0 |
| Zirconium (Zr), % | 0.45 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |