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EN-MC21310 Magnesium vs. AWS BAg-5

EN-MC21310 magnesium belongs to the magnesium alloys classification, while AWS BAg-5 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, 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-MC21310 magnesium and the bottom bar is AWS BAg-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
88
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
33
Tensile Strength: Ultimate (UTS), MPa 200
150

Thermal Properties

Latent Heat of Fusion, J/g 360
140
Melting Completion (Liquidus), °C 600
740
Melting Onset (Solidus), °C 560
660
Specific Heat Capacity, J/kg-K 1000
320
Thermal Expansion, µm/m-K 26
21

Otherwise Unclassified Properties

Density, g/cm3 1.6
9.0
Embodied Carbon, kg CO2/kg material 23
44
Embodied Energy, MJ/kg 160
700

Common Calculations

Stiffness to Weight: Axial, points 15
5.4
Stiffness to Weight: Bending, points 73
16
Strength to Weight: Axial, points 34
4.6
Strength to Weight: Bending, points 47
6.9
Thermal Shock Resistance, points 12
5.9

Alloy Composition


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Aluminum (Al), % 1.8 to 2.6
0
Copper (Cu), % 0 to 0.010
29 to 31
Iron (Fe), % 0 to 0.0050
0
Magnesium (Mg), % 95.2 to 97.4
0
Manganese (Mn), % 0.1 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0.7 to 1.2
0
Silver (Ag), % 0
44 to 46
Zinc (Zn), % 0 to 0.2
23 to 27
Residuals, % 0 to 0.010
0 to 0.15