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AWS E310 vs. EN-MC21110 Magnesium

AWS E310 belongs to the iron alloys classification, while EN-MC21110 magnesium belongs to the magnesium 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 AWS E310 and the bottom bar is EN-MC21110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
46
Elongation at Break, % 34
2.8 to 6.7
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
18
Tensile Strength: Ultimate (UTS), MPa 620
200 to 270

Thermal Properties

Latent Heat of Fusion, J/g 300
350
Melting Completion (Liquidus), °C 1400
600
Melting Onset (Solidus), °C 1360
500
Specific Heat Capacity, J/kg-K 480
990
Thermal Conductivity, W/m-K 14
80
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
12
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
61

Otherwise Unclassified Properties

Base Metal Price, % relative 26
12
Density, g/cm3 7.9
1.7
Embodied Carbon, kg CO2/kg material 4.6
23
Embodied Energy, MJ/kg 65
160
Embodied Water, L/kg 200
990

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
69
Strength to Weight: Axial, points 22
33 to 44
Strength to Weight: Bending, points 20
45 to 54
Thermal Diffusivity, mm2/s 3.7
47
Thermal Shock Resistance, points 15
12 to 16

Alloy Composition

Aluminum (Al), % 0
7.0 to 8.7
Carbon (C), % 0.080 to 0.2
0
Chromium (Cr), % 25 to 28
0
Copper (Cu), % 0 to 0.75
0 to 0.030
Iron (Fe), % 44.5 to 53.9
0 to 0.0050
Magnesium (Mg), % 0
89.6 to 92.6
Manganese (Mn), % 1.0 to 2.5
0.1 to 0.35
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 20 to 22.5
0 to 0.0020
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0.35 to 1.0
Residuals, % 0
0 to 0.010