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EN-MC32110 Magnesium vs. AWS E3155

EN-MC32110 magnesium belongs to the magnesium alloys classification, while AWS E3155 belongs to the iron alloys. There are 22 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-MC32110 magnesium and the bottom bar is AWS E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
210
Elongation at Break, % 2.2
23
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 220
770

Thermal Properties

Latent Heat of Fusion, J/g 330
310
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
13
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
70
Density, g/cm3 2.1
8.4
Embodied Carbon, kg CO2/kg material 22
7.7
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 920
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 38
22
Thermal Diffusivity, mm2/s 58
3.3
Thermal Shock Resistance, points 12
20

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 2.4 to 3.0
0 to 0.75
Iron (Fe), % 0 to 0.050
23.3 to 36.3
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
1.0 to 2.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
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
2.0 to 3.0
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.010
0