C18100 Copper vs. 60Pd-40Ag Alloy

C18100 copper belongs to the copper alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. There are 21 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 C18100 copper and the bottom bar is 60Pd-40Ag alloy.

UNS C18100 Chromium-Zirconium Copper 60-Palladium 40-Silver Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		8.3
Elongation at Break, %		1.1 to 28

Poisson's Ratio		0.34
Poisson's Ratio		0.38

Shear Modulus, GPa		47
Shear Modulus, GPa		37

Shear Strength, MPa		300
Shear Strength, MPa		220 to 350

Tensile Strength: Ultimate (UTS), MPa		510
Tensile Strength: Ultimate (UTS), MPa		340 to 720

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		1360

Melting Onset (Solidus), °C		1020
Melting Onset (Solidus), °C		1310

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		240

Thermal Conductivity, W/m-K		320
Thermal Conductivity, W/m-K		29

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		80
Electrical Conductivity: Equal Volume, % IACS		4.1

Electrical Conductivity: Equal Weight (Specific), % IACS		81
Electrical Conductivity: Equal Weight (Specific), % IACS		3.2

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		11

Common Calculations

Stiffness to Weight: Axial, points		7.3
Stiffness to Weight: Axial, points		4.9

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		16
Strength to Weight: Axial, points		8.4 to 18

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		9.6 to 16

Thermal Diffusivity, mm²/s		94
Thermal Diffusivity, mm²/s		11

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		16 to 34

Alloy Composition

Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452

Chromium (Cr), %		0.4 to 1.2
Chromium (Cr), %		0

Copper (Cu), %		98.7 to 99.49
Copper (Cu), %		0 to 0.1

Magnesium (Mg), %		0.030 to 0.060
Magnesium (Mg), %		0

Palladium (Pd), %		0
Palladium (Pd), %		59.5 to 60.9

Silver (Ag), %		0
Silver (Ag), %		39.1 to 40.5

Zirconium (Zr), %		0.080 to 0.2
Zirconium (Zr), %		0

Residuals, %		0 to 0.5
Residuals, %		0 to 0.3