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EN-MC21320 Magnesium vs. Nickel 242

EN-MC21320 magnesium belongs to the magnesium alloys classification, while nickel 242 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 EN-MC21320 magnesium and the bottom bar is nickel 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 7.5
45
Fatigue Strength, MPa 95
300
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 18
84
Shear Strength, MPa 130
570
Tensile Strength: Ultimate (UTS), MPa 230
820
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 110
930
Melting Completion (Liquidus), °C 600
1380
Melting Onset (Solidus), °C 530
1290
Specific Heat Capacity, J/kg-K 1000
400
Thermal Conductivity, W/m-K 66
11
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 91
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 1.6
9.0
Embodied Carbon, kg CO2/kg material 23
14
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 980
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
300
Resilience: Unit (Modulus of Resilience), kJ/m3 200
280
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
22
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 50
21
Thermal Diffusivity, mm2/s 40
3.1
Thermal Shock Resistance, points 13
25

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.010
0 to 0.5
Iron (Fe), % 0 to 0.0050
0 to 2.0
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0 to 0.8
Molybdenum (Mo), % 0
24 to 26
Nickel (Ni), % 0 to 0.0020
59.3 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.8
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0