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AM50A Magnesium vs. Monel 400

AM50A 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 AM50A 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, % 11
20 to 40
Fatigue Strength, MPa 70
230 to 290
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
62
Shear Strength, MPa 120
370 to 490
Tensile Strength: Ultimate (UTS), MPa 210
540 to 780
Tensile Strength: Yield (Proof), MPa 120
210 to 590

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Maximum Temperature: Mechanical, °C 120
1000
Melting Completion (Liquidus), °C 620
1350
Melting Onset (Solidus), °C 570
1300
Specific Heat Capacity, J/kg-K 1000
430
Thermal Conductivity, W/m-K 65
23
Thermal Expansion, µm/m-K 26
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 88
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
50
Density, g/cm3 1.7
8.9
Embodied Carbon, kg CO2/kg material 23
7.9
Embodied Energy, MJ/kg 160
110
Embodied Water, L/kg 990
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
140 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140 to 1080
Stiffness to Weight: Axial, points 15
10
Stiffness to Weight: Bending, points 71
21
Strength to Weight: Axial, points 35
17 to 25
Strength to Weight: Bending, points 47
17 to 21
Thermal Diffusivity, mm2/s 39
6.1
Thermal Shock Resistance, points 13
17 to 25

Alloy Composition

Aluminum (Al), % 4.4 to 5.4
0
Carbon (C), % 0
0 to 0.3
Copper (Cu), % 0 to 0.010
28 to 34
Iron (Fe), % 0 to 0.0040
0 to 2.5
Magnesium (Mg), % 93.7 to 95.3
0
Manganese (Mn), % 0.26 to 0.6
0 to 2.0
Nickel (Ni), % 0 to 0.0020
63 to 72
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0
0 to 0.024
Zinc (Zn), % 0 to 0.22
0