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ZK51A Magnesium vs. C74400 Nickel Silver

ZK51A 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 ZK51A 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, % 4.7
43
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 18
39
Shear Strength, MPa 160
240
Tensile Strength: Ultimate (UTS), MPa 240
350
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 340
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 640
930
Melting Onset (Solidus), °C 550
910
Specific Heat Capacity, J/kg-K 970
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
26
Electrical Conductivity: Equal Weight (Specific), % IACS 140
29

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 1.8
8.2
Embodied Carbon, kg CO2/kg material 24
2.9
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 940
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10
120
Resilience: Unit (Modulus of Resilience), kJ/m3 260
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 64
19
Strength to Weight: Axial, points 36
12
Strength to Weight: Bending, points 47
14
Thermal Diffusivity, mm2/s 61
37
Thermal Shock Resistance, points 15
12

Alloy Composition

Copper (Cu), % 0 to 0.1
62 to 66
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 93.1 to 95.9
0
Nickel (Ni), % 0 to 0.010
2.0 to 4.0
Zinc (Zn), % 3.6 to 5.5
29.6 to 36
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.3