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EN-MC32110 Magnesium vs. AWS ERNiCrMo-2

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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-MC32110 magnesium and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 220
750

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
450
Thermal Conductivity, W/m-K 120
11
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
55
Density, g/cm3 2.1
8.4
Embodied Carbon, kg CO2/kg material 22
9.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 920
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
23
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 38
22
Thermal Diffusivity, mm2/s 58
2.9
Thermal Shock Resistance, points 12
20

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 2.4 to 3.0
0 to 0.5
Iron (Fe), % 0 to 0.050
17 to 20
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.010
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0 to 0.5