85-silver 15-nickel vs. ZA-27

85-silver 15-nickel belongs to the otherwise unclassified metals classification, while ZA-27 belongs to the zinc alloys. There are 17 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is 85-silver 15-nickel and the bottom bar is ZA-27.

85-Silver 15-Nickel Electrical Contact Alloy Zinc-Aluminum 27 (ZA-27, Z35841)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		88
Elastic (Young's, Tensile) Modulus, GPa		78

Poisson's Ratio		0.36
Poisson's Ratio		0.27

Shear Modulus, GPa		32
Shear Modulus, GPa		31

Tensile Strength: Ultimate (UTS), MPa		260 to 470
Tensile Strength: Ultimate (UTS), MPa		400 to 430

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		130

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		480

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		380

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		530

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		86
Electrical Conductivity: Equal Volume, % IACS		30

Electrical Conductivity: Equal Weight (Specific), % IACS		75
Electrical Conductivity: Equal Weight (Specific), % IACS		53

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		5.0

Common Calculations

Stiffness to Weight: Axial, points		4.8
Stiffness to Weight: Axial, points		8.6

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		28

Strength to Weight: Axial, points		7.1 to 13
Strength to Weight: Axial, points		22 to 24

Strength to Weight: Bending, points		8.9 to 13
Strength to Weight: Bending, points		24 to 25

Thermal Shock Resistance, points		12 to 21
Thermal Shock Resistance, points		14 to 15

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		25 to 28

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0060

Copper (Cu), %		0
Copper (Cu), %		2.0 to 2.5

Iron (Fe), %		0
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0060

Magnesium (Mg), %		0
Magnesium (Mg), %		0.010 to 0.020

Nickel (Ni), %		13.8 to 16
Nickel (Ni), %		0 to 0.020

Silicon (Si), %		0
Silicon (Si), %		0 to 0.080

Silver (Ag), %		84 to 86
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.0030

Zinc (Zn), %		0
Zinc (Zn), %		69.3 to 73

Residuals, %		0 to 0.2
Residuals, %		0