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EN-MC65210 Magnesium vs. AWS E330H

EN-MC65210 magnesium belongs to the magnesium alloys classification, while AWS E330H 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-MC65210 magnesium and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
190
Elongation at Break, % 2.8
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 17
76
Tensile Strength: Ultimate (UTS), MPa 270
690

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 610
1400
Melting Onset (Solidus), °C 540
1350
Specific Heat Capacity, J/kg-K 970
470
Thermal Conductivity, W/m-K 110
12
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.9

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.1
Embodied Carbon, kg CO2/kg material 27
5.4
Embodied Energy, MJ/kg 220
76

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
24
Strength to Weight: Axial, points 38
24
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 58
3.2
Thermal Shock Resistance, points 17
19

Alloy Composition


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Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 0 to 0.030
0 to 0.75
Iron (Fe), % 0 to 0.010
40.5 to 51.7
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.0050
33 to 37
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