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EN-MC65210 Magnesium vs. AWS ERNiCrMo-2

EN-MC65210 magnesium belongs to the magnesium alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, 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-MC65210 magnesium and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
81
Tensile Strength: Ultimate (UTS), MPa 270
750

Thermal Properties

Latent Heat of Fusion, J/g 340
320
Melting Completion (Liquidus), °C 610
1460
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 970
450
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.6

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.4
Embodied Carbon, kg CO2/kg material 27
9.2
Embodied Energy, MJ/kg 220
120

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
23
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 58
2.9
Thermal Shock Resistance, points 17
20

Alloy Composition

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), % 0 to 0.030
0 to 0.5
Iron (Fe), % 0 to 0.010
17 to 20
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.0050
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0.2 to 1.0
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5