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ZK40A Magnesium vs. EN 2.4879 Cast Nickel

ZK40A magnesium belongs to the magnesium alloys classification, while EN 2.4879 cast nickel belongs to the nickel alloys. There are 27 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 ZK40A magnesium and the bottom bar is EN 2.4879 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
200
Elongation at Break, % 4.2
3.4
Fatigue Strength, MPa 190
110
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
80
Tensile Strength: Ultimate (UTS), MPa 280
490
Tensile Strength: Yield (Proof), MPa 260
270

Thermal Properties

Latent Heat of Fusion, J/g 340
330
Maximum Temperature: Mechanical, °C 120
1150
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 970
460
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
55
Density, g/cm3 1.8
8.5
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 950
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12
14
Resilience: Unit (Modulus of Resilience), kJ/m3 740
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 65
23
Strength to Weight: Axial, points 43
16
Strength to Weight: Bending, points 53
16
Thermal Diffusivity, mm2/s 62
2.8
Thermal Shock Resistance, points 17
13

Alloy Composition


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Carbon (C), % 0
0.35 to 0.55
Chromium (Cr), % 0
27 to 30
Iron (Fe), % 0
9.4 to 20.7
Magnesium (Mg), % 94.2 to 96.1
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
47 to 50
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 3.5 to 4.5
0
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0