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EN-MC65210 Magnesium vs. AWS E240

EN-MC65210 magnesium belongs to the magnesium alloys classification, while AWS E240 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-MC65210 magnesium and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 2.8
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 17
77
Tensile Strength: Ultimate (UTS), MPa 270
770

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 610
1390
Melting Onset (Solidus), °C 540
1350
Specific Heat Capacity, J/kg-K 970
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 26
15

Otherwise Unclassified Properties

Density, g/cm3 2.0
7.7
Embodied Carbon, kg CO2/kg material 27
3.0
Embodied Energy, MJ/kg 220
42

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 59
25
Strength to Weight: Axial, points 38
28
Strength to Weight: Bending, points 47
24
Thermal Diffusivity, mm2/s 58
3.9
Thermal Shock Resistance, points 17
19

Alloy Composition


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Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.030
0 to 0.75
Iron (Fe), % 0 to 0.010
58.6 to 68.4
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
10.5 to 13.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.0050
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0