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EN-MC65120 Magnesium vs. AWS ERNiCrMo-10

EN-MC65120 magnesium belongs to the magnesium alloys classification, while AWS ERNiCrMo-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-MC65120 magnesium and the bottom bar is AWS ERNiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
220
Elongation at Break, % 3.1
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
84
Tensile Strength: Ultimate (UTS), MPa 160
790

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 590
1550
Melting Onset (Solidus), °C 520
1490
Specific Heat Capacity, J/kg-K 970
420
Thermal Conductivity, W/m-K 100
10
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
70
Density, g/cm3 1.9
8.9
Embodied Carbon, kg CO2/kg material 25
12
Embodied Energy, MJ/kg 190
160
Embodied Water, L/kg 930
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
23
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 34
21
Thermal Diffusivity, mm2/s 56
2.7
Thermal Shock Resistance, points 9.8
21

Alloy Composition


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Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.030
0 to 0.5
Iron (Fe), % 0 to 0.010
2.0 to 6.0
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.0050
49 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 0.080
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
2.5 to 3.5
Unspecified Rare Earths, % 2.5 to 4.0
0
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 2.0 to 3.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5