85-silver 15-nickel vs. Zamak 3

85-silver 15-nickel belongs to the otherwise unclassified metals classification, while Zamak 3 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 Zamak 3.

85-Silver 15-Nickel Electrical Contact Alloy Zamak 3 (ASTM AG40A, Z33520, Mazak 3) Zinc Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		88
Elastic (Young's, Tensile) Modulus, GPa		86

Poisson's Ratio		0.36
Poisson's Ratio		0.25

Shear Modulus, GPa		32
Shear Modulus, GPa		33

Tensile Strength: Ultimate (UTS), MPa		260 to 470
Tensile Strength: Ultimate (UTS), MPa		280

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		120

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		390

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

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		86
Electrical Conductivity: Equal Volume, % IACS		27

Electrical Conductivity: Equal Weight (Specific), % IACS		75
Electrical Conductivity: Equal Weight (Specific), % IACS		38

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		6.4

Common Calculations

Stiffness to Weight: Axial, points		4.8
Stiffness to Weight: Axial, points		7.5

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		7.1 to 13
Strength to Weight: Axial, points		12

Strength to Weight: Bending, points		8.9 to 13
Strength to Weight: Bending, points		15

Thermal Shock Resistance, points		12 to 21
Thermal Shock Resistance, points		8.6

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		3.5 to 4.3

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0050

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

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

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0050

Magnesium (Mg), %		0
Magnesium (Mg), %		0.020 to 0.060

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.030

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

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

Zinc (Zn), %		0
Zinc (Zn), %		95.3 to 96.5

Residuals, %		0 to 0.2
Residuals, %		0