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AWS ERNiMo-3 vs. EN-MC65210 Magnesium

AWS ERNiMo-3 belongs to the nickel alloys classification, while EN-MC65210 magnesium belongs to the magnesium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, 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 ERNiMo-3 and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
44
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 83
17
Tensile Strength: Ultimate (UTS), MPa 770
270

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Melting Completion (Liquidus), °C 1600
610
Melting Onset (Solidus), °C 1540
540
Specific Heat Capacity, J/kg-K 400
970
Thermal Expansion, µm/m-K 11
26

Otherwise Unclassified Properties

Density, g/cm3 9.1
2.0
Embodied Carbon, kg CO2/kg material 15
27
Embodied Energy, MJ/kg 190
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 22
59
Strength to Weight: Axial, points 24
38
Strength to Weight: Bending, points 21
47
Thermal Shock Resistance, points 24
17

Alloy Composition

Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 4.0 to 6.0
0
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.030
Iron (Fe), % 4.0 to 7.0
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 0 to 1.0
0 to 0.15
Molybdenum (Mo), % 23 to 26
0
Nickel (Ni), % 53.7 to 69
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
Tungsten (W), % 0 to 1.0
0
Unspecified Rare Earths, % 0
2.0 to 3.0
Vanadium (V), % 0 to 0.6
0
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0 to 0.5
0 to 0.010