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EN-MC65220 Magnesium vs. C74400 Nickel Silver

EN-MC65220 magnesium belongs to the magnesium alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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-MC65220 magnesium and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.2
43
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
39
Shear Strength, MPa 150
240
Tensile Strength: Ultimate (UTS), MPa 270
350
Tensile Strength: Yield (Proof), MPa 200
120

Thermal Properties

Latent Heat of Fusion, J/g 340
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 610
930
Melting Onset (Solidus), °C 550
910
Specific Heat Capacity, J/kg-K 980
390
Thermal Conductivity, W/m-K 110
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 80
25
Density, g/cm3 1.9
8.2
Embodied Carbon, kg CO2/kg material 27
2.9
Embodied Energy, MJ/kg 210
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
120
Resilience: Unit (Modulus of Resilience), kJ/m3 450
63
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 62
19
Strength to Weight: Axial, points 40
12
Strength to Weight: Bending, points 49
14
Thermal Diffusivity, mm2/s 61
37
Thermal Shock Resistance, points 17
12

Alloy Composition


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Copper (Cu), % 0.050 to 0.1
62 to 66
Iron (Fe), % 0 to 0.010
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.8 to 96.8
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
Silver (Ag), % 1.3 to 1.7
0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
29.6 to 36
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.3