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EN-MC65120 Magnesium vs. Monel 400

EN-MC65120 magnesium belongs to the magnesium alloys classification, while Monel 400 belongs to the nickel alloys. There are 30 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 EN-MC65120 magnesium and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
160
Elongation at Break, % 3.1
20 to 40
Fatigue Strength, MPa 80
230 to 290
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
62
Shear Strength, MPa 92
370 to 490
Tensile Strength: Ultimate (UTS), MPa 160
540 to 780
Tensile Strength: Yield (Proof), MPa 110
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 180
1000
Melting Completion (Liquidus), °C 590
1350
Melting Onset (Solidus), °C 520
1300
Specific Heat Capacity, J/kg-K 970
430
Thermal Conductivity, W/m-K 100
23
Thermal Expansion, µm/m-K 26
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
50
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 25
7.9
Embodied Energy, MJ/kg 190
110
Embodied Water, L/kg 930
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140 to 1080
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 62
21
Strength to Weight: Axial, points 23
17 to 25
Strength to Weight: Bending, points 34
17 to 21
Thermal Diffusivity, mm2/s 56
6.1
Thermal Shock Resistance, points 9.8
17 to 25

Alloy Composition


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Carbon (C), % 0
0 to 0.3
Copper (Cu), % 0 to 0.030
28 to 34
Iron (Fe), % 0 to 0.010
0 to 2.5
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.0050
63 to 72
Silicon (Si), % 0 to 0.010
0 to 0.5
Sulfur (S), % 0
0 to 0.024
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0