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AWS ENiCu-7 vs. EN-MC65210 Magnesium

AWS ENiCu-7 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 ENiCu-7 and the bottom bar is EN-MC65210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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