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EN-MC21210 Magnesium vs. AWS E316LMn

EN-MC21210 magnesium belongs to the magnesium alloys classification, while AWS E316LMn belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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-MC21210 magnesium and the bottom bar is AWS E316LMn.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 14
23
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
79
Tensile Strength: Ultimate (UTS), MPa 190
620

Thermal Properties

Latent Heat of Fusion, J/g 350
300
Melting Completion (Liquidus), °C 600
1420
Melting Onset (Solidus), °C 570
1370
Specific Heat Capacity, J/kg-K 1000
470
Thermal Expansion, µm/m-K 27
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
24
Density, g/cm3 1.6
7.9
Embodied Carbon, kg CO2/kg material 24
4.6
Embodied Energy, MJ/kg 160
64
Embodied Water, L/kg 980
180

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 44
20
Thermal Shock Resistance, points 11
15

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 0 to 0.010
0 to 0.75
Iron (Fe), % 0 to 0.0050
47.5 to 59.4
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
5.0 to 8.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.0020
15 to 18
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.9
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0