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EN-MC35110 Magnesium vs. AWS E330H

EN-MC35110 magnesium belongs to the magnesium alloys classification, while AWS E330H belongs to the iron 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 EN-MC35110 magnesium and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Elongation at Break, % 3.1
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 18
76
Tensile Strength: Ultimate (UTS), MPa 230
690

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 600
1400
Melting Onset (Solidus), °C 520
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 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
30
Density, g/cm3 1.9
8.1
Embodied Carbon, kg CO2/kg material 24
5.4
Embodied Energy, MJ/kg 170
76
Embodied Water, L/kg 940
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
24
Strength to Weight: Axial, points 34
24
Strength to Weight: Bending, points 44
22
Thermal Diffusivity, mm2/s 61
3.2
Thermal Shock Resistance, points 14
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 to 95.4
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
Sulfur (S), % 0
0 to 0.030
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0