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ZK40A Magnesium vs. C76400 Nickel Silver

ZK40A magnesium belongs to the magnesium alloys classification, while C76400 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 ZK40A magnesium and the bottom bar is C76400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
46
Tensile Strength: Ultimate (UTS), MPa 280
590 to 610

Thermal Properties

Latent Heat of Fusion, J/g 340
200
Maximum Temperature: Mechanical, °C 120
190
Melting Completion (Liquidus), °C 600
990
Melting Onset (Solidus), °C 540
950
Specific Heat Capacity, J/kg-K 970
400
Thermal Conductivity, W/m-K 110
31
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 130
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
32
Density, g/cm3 1.8
8.4
Embodied Carbon, kg CO2/kg material 24
4.1
Embodied Energy, MJ/kg 160
63
Embodied Water, L/kg 950
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 65
20
Strength to Weight: Axial, points 43
19 to 20
Strength to Weight: Bending, points 53
18 to 19
Thermal Diffusivity, mm2/s 62
9.3
Thermal Shock Resistance, points 17
19 to 20

Alloy Composition


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Copper (Cu), % 0
58.5 to 61.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 94.2 to 96.1
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Zinc (Zn), % 3.5 to 4.5
17.7 to 25
Zirconium (Zr), % 0.45 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.5