ZK61A Magnesium vs. EN 2.4878 Nickel
ZK61A magnesium belongs to the magnesium alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. There are 28 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 EN 2.4878 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 200 |
| Elongation at Break, % | 5.8 to 7.1 | |
| 13 to 17 |
| Fatigue Strength, MPa | 120 to 140 | |
| 400 to 410 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 18 | |
| 78 |
| Shear Strength, MPa | 170 to 180 | |
| 750 to 760 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 310 | |
| 1210 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 180 to 200 | |
| 740 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 330 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 1030 |
| Melting Completion (Liquidus), °C | 640 | |
| 1370 |
| Melting Onset (Solidus), °C | 530 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 960 | |
| 460 |
| Thermal Conductivity, W/m-K | 120 | |
| 11 |
| Thermal Expansion, µm/m-K | 27 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 80 |
| Density, g/cm3 | 1.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 10 |
| Embodied Energy, MJ/kg | 160 | |
| 150 |
| Embodied Water, L/kg | 940 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 15 to 19 | |
| 150 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 to 420 | |
| 1370 to 1540 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 62 | |
| 24 |
| Strength to Weight: Axial, points | 42 to 45 | |
| 41 to 42 |
| Strength to Weight: Bending, points | 50 to 53 | |
| 31 |
| Thermal Diffusivity, mm2/s | 65 | |
| 2.8 |
| Thermal Shock Resistance, points | 17 to 18 | |
| 37 to 39 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.010 to 0.015 |
| Carbon (C), % | 0 | |
| 0.030 to 0.070 |
| Chromium (Cr), % | 0 | |
| 23 to 25 |
| Cobalt (Co), % | 0 | |
| 19 to 21 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.2 |
| Iron (Fe), % | 0 | |
| 0 to 1.0 |
| Magnesium (Mg), % | 92.1 to 93.9 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 43.6 to 52.2 |
| Niobium (Nb), % | 0 | |
| 0.7 to 1.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.0070 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.2 |
| Zinc (Zn), % | 5.5 to 6.5 | |
| 0 |
| Zirconium (Zr), % | 0.6 to 1.0 | |
| 0.030 to 0.070 |
| Residuals, % | 0 to 0.3 | |
| 0 |