90-silver 10-nickel vs. C82500 Copper

90-silver 10-nickel belongs to the otherwise unclassified metals classification, while C82500 copper belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is 90-silver 10-nickel and the bottom bar is C82500 copper.

90-Silver 10-Nickel Electrical Contact Alloy UNS C82500 (Alloy 20C) Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		82
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.36
Poisson's Ratio		0.33

Shear Modulus, GPa		30
Shear Modulus, GPa		45

Tensile Strength: Ultimate (UTS), MPa		250 to 420
Tensile Strength: Ultimate (UTS), MPa		550 to 1100

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		240

Melting Completion (Liquidus), °C		840
Melting Completion (Liquidus), °C		980

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		860

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		90
Electrical Conductivity: Equal Volume, % IACS		20

Electrical Conductivity: Equal Weight (Specific), % IACS		79
Electrical Conductivity: Equal Weight (Specific), % IACS		21

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.8

Common Calculations

Stiffness to Weight: Axial, points		4.4
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		6.7 to 11
Strength to Weight: Axial, points		18 to 35

Strength to Weight: Bending, points		8.5 to 12
Strength to Weight: Bending, points		17 to 27

Thermal Shock Resistance, points		11 to 19
Thermal Shock Resistance, points		19 to 38

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.15

Beryllium (Be), %		0
Beryllium (Be), %		1.9 to 2.3

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.1

Cobalt (Co), %		0
Cobalt (Co), %		0.15 to 0.7

Copper (Cu), %		0
Copper (Cu), %		95.3 to 97.8

Iron (Fe), %		0
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0
Lead (Pb), %		0 to 0.020

Nickel (Ni), %		8.8 to 11
Nickel (Ni), %		0 to 0.2

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.35

Silver (Ag), %		89 to 91
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.1

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.12

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.5