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EN 2.4668 Nickel vs. ZK51A Magnesium

EN 2.4668 nickel belongs to the nickel alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 30 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 2.4668 nickel and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Elongation at Break, % 14
4.7
Fatigue Strength, MPa 590
62
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
18
Shear Strength, MPa 840
160
Tensile Strength: Ultimate (UTS), MPa 1390
240
Tensile Strength: Yield (Proof), MPa 1160
150

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Mechanical, °C 980
120
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1410
550
Specific Heat Capacity, J/kg-K 450
970
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 75
13
Density, g/cm3 8.3
1.8
Embodied Carbon, kg CO2/kg material 13
24
Embodied Energy, MJ/kg 190
160
Embodied Water, L/kg 250
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
10
Resilience: Unit (Modulus of Resilience), kJ/m3 3490
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
64
Strength to Weight: Axial, points 46
36
Strength to Weight: Bending, points 33
47
Thermal Diffusivity, mm2/s 3.5
61
Thermal Shock Resistance, points 40
15

Alloy Composition

Aluminum (Al), % 0.3 to 0.7
0
Boron (B), % 0.0020 to 0.0060
0
Carbon (C), % 0.020 to 0.080
0
Chromium (Cr), % 17 to 21
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 11.2 to 24.6
0
Magnesium (Mg), % 0
93.1 to 95.9
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 2.8 to 3.3
0
Nickel (Ni), % 50 to 55
0 to 0.010
Niobium (Nb), % 4.7 to 5.5
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.6 to 1.2
0
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3