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EN-MC32110 Magnesium vs. AWS E430

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AWS E430 belongs to the iron alloys. There are 24 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 E430.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
200
Elongation at Break, % 2.2
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 19
77
Tensile Strength: Ultimate (UTS), MPa 220
500

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 500
1400
Specific Heat Capacity, J/kg-K 950
480
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 26
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 2.1
7.7
Embodied Carbon, kg CO2/kg material 22
2.2
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 920
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 38
18
Thermal Diffusivity, mm2/s 58
6.7
Thermal Shock Resistance, points 12
13

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 2.4 to 3.0
0 to 0.75
Iron (Fe), % 0 to 0.050
77.8 to 85
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.010
0 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0