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EN-MC65210 Magnesium vs. AWS ENiCu-7

EN-MC65210 magnesium belongs to the magnesium alloys classification, while AWS ENiCu-7 belongs to the nickel 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 EN-MC65210 magnesium and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
160
Elongation at Break, % 2.8
34
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
62
Tensile Strength: Ultimate (UTS), MPa 270
550

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Melting Completion (Liquidus), °C 610
1270
Melting Onset (Solidus), °C 540
1230
Specific Heat Capacity, J/kg-K 970
430
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 110
3.3

Otherwise Unclassified Properties

Density, g/cm3 2.0
8.7
Embodied Carbon, kg CO2/kg material 27
8.0
Embodied Energy, MJ/kg 220
110

Common Calculations

Stiffness to Weight: Axial, points 12
10
Stiffness to Weight: Bending, points 59
21
Strength to Weight: Axial, points 38
17
Strength to Weight: Bending, points 47
17
Thermal Diffusivity, mm2/s 58
5.5
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.75
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
20.6 to 38
Iron (Fe), % 0 to 0.010
0 to 2.5
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0 to 4.0
Nickel (Ni), % 0 to 0.0050
62 to 69
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.010
0 to 1.5
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 1.0
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 to 0.5