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AWS E330 vs. EN-MC65210 Magnesium

AWS E330 belongs to the iron alloys classification, while EN-MC65210 magnesium belongs to the magnesium 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 AWS E330 and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
44
Elongation at Break, % 29
2.8
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
17
Tensile Strength: Ultimate (UTS), MPa 580
270

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Melting Completion (Liquidus), °C 1400
610
Melting Onset (Solidus), °C 1350
540
Specific Heat Capacity, J/kg-K 470
970
Thermal Conductivity, W/m-K 12
110
Thermal Expansion, µm/m-K 13
26

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.1
2.0
Embodied Carbon, kg CO2/kg material 5.4
27
Embodied Energy, MJ/kg 75
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
59
Strength to Weight: Axial, points 20
38
Strength to Weight: Bending, points 19
47
Thermal Diffusivity, mm2/s 3.2
58
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0.18 to 0.25
0
Chromium (Cr), % 14 to 17
0
Copper (Cu), % 0 to 0.75
0 to 0.030
Iron (Fe), % 40.7 to 51.8
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 1.0 to 2.5
0 to 0.15
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 33 to 37
0 to 0.0050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.030
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010