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EN-MC21320 Magnesium vs. AWS ENiCrMo-10

EN-MC21320 magnesium belongs to the magnesium alloys classification, while AWS ENiCrMo-10 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 AWS ENiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 7.5
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
84
Tensile Strength: Ultimate (UTS), MPa 230
710

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Melting Completion (Liquidus), °C 600
1550
Melting Onset (Solidus), °C 530
1490
Specific Heat Capacity, J/kg-K 1000
420
Thermal Conductivity, W/m-K 66
10
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 91
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
70
Density, g/cm3 1.6
8.9
Embodied Carbon, kg CO2/kg material 23
12
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 980
300

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
23
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 50
20
Thermal Diffusivity, mm2/s 40
2.7
Thermal Shock Resistance, points 13
19

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.010
0 to 0.5
Iron (Fe), % 0 to 0.0050
2.0 to 6.0
Magnesium (Mg), % 92.5 to 95.9
0
Manganese (Mn), % 0.1 to 0.7
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.0020
48.4 to 63
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.5 to 1.5
0 to 0.2
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0 to 0.5