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EN-MC65120 Magnesium vs. C74400 Nickel Silver

EN-MC65120 magnesium belongs to the magnesium alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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-MC65120 magnesium and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 3.1
43
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
39
Shear Strength, MPa 92
240
Tensile Strength: Ultimate (UTS), MPa 160
350
Tensile Strength: Yield (Proof), MPa 110
120

Thermal Properties

Latent Heat of Fusion, J/g 330
180
Maximum Temperature: Mechanical, °C 180
140
Melting Completion (Liquidus), °C 590
930
Melting Onset (Solidus), °C 520
910
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 100
120
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
26
Electrical Conductivity: Equal Weight (Specific), % IACS 120
29

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 1.9
8.2
Embodied Carbon, kg CO2/kg material 25
2.9
Embodied Energy, MJ/kg 190
48
Embodied Water, L/kg 930
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
63
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 23
12
Strength to Weight: Bending, points 34
14
Thermal Diffusivity, mm2/s 56
37
Thermal Shock Resistance, points 9.8
12

Alloy Composition


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Copper (Cu), % 0 to 0.030
62 to 66
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 91.8 to 95.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
2.0 to 4.0
Silicon (Si), % 0 to 0.010
0
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
29.6 to 36
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.3