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EN-MC32110 Magnesium vs. AWS E80C-Ni2

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AWS E80C-Ni2 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 E80C-Ni2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
190
Elongation at Break, % 2.2
27
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
72
Tensile Strength: Ultimate (UTS), MPa 220
620
Tensile Strength: Yield (Proof), MPa 140
540

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 500
1410
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.3
Density, g/cm3 2.1
7.8
Embodied Carbon, kg CO2/kg material 22
1.6
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 920
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
160
Resilience: Unit (Modulus of Resilience), kJ/m3 210
770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 38
21
Thermal Diffusivity, mm2/s 58
14
Thermal Shock Resistance, points 12
18

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.12
Copper (Cu), % 2.4 to 3.0
0 to 0.35
Iron (Fe), % 0 to 0.050
93.8 to 98.3
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.5
Nickel (Ni), % 0 to 0.010
1.8 to 2.8
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0 to 0.5