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Grade CX2MW Nickel vs. ZK51A Magnesium

Grade CX2MW nickel belongs to the nickel alloys classification, while ZK51A magnesium belongs to the magnesium 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 grade CX2MW nickel and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
45
Elongation at Break, % 34
4.7
Fatigue Strength, MPa 260
62
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
18
Tensile Strength: Ultimate (UTS), MPa 620
240
Tensile Strength: Yield (Proof), MPa 350
150

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 980
120
Melting Completion (Liquidus), °C 1550
640
Melting Onset (Solidus), °C 1490
550
Specific Heat Capacity, J/kg-K 430
970
Thermal Conductivity, W/m-K 10
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 65
13
Density, g/cm3 8.9
1.8
Embodied Carbon, kg CO2/kg material 12
24
Embodied Energy, MJ/kg 170
160
Embodied Water, L/kg 290
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
10
Resilience: Unit (Modulus of Resilience), kJ/m3 290
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
64
Strength to Weight: Axial, points 19
36
Strength to Weight: Bending, points 18
47
Thermal Diffusivity, mm2/s 2.7
61
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20 to 22.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 2.0 to 6.0
0
Magnesium (Mg), % 0
93.1 to 95.9
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3