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AWS ERNiCrMo-3 vs. EN-MC65210 Magnesium

AWS ERNiCrMo-3 belongs to the nickel 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 (9, 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 ERNiCrMo-3 and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
44
Elongation at Break, % 34
2.8
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
17
Tensile Strength: Ultimate (UTS), MPa 870
270

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Melting Completion (Liquidus), °C 1480
610
Melting Onset (Solidus), °C 1430
540
Specific Heat Capacity, J/kg-K 440
970
Thermal Conductivity, W/m-K 11
110
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
110

Otherwise Unclassified Properties

Density, g/cm3 8.6
2.0
Embodied Carbon, kg CO2/kg material 14
27
Embodied Energy, MJ/kg 190
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
59
Strength to Weight: Axial, points 28
38
Strength to Weight: Bending, points 24
47
Thermal Diffusivity, mm2/s 2.8
58
Thermal Shock Resistance, points 25
17

Alloy Composition


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Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0 to 0.5
0 to 0.030
Iron (Fe), % 0 to 5.0
0 to 0.010
Magnesium (Mg), % 0
92.6 to 95.6
Manganese (Mn), % 0 to 0.5
0 to 0.15
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0 to 0.0050
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.010
Silver (Ag), % 0
2.0 to 3.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
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 to 0.5
0 to 0.010