ASTM B563 Pd-Ag-Cu vs. C77600 Nickel Silver

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while C77600 nickel silver belongs to the copper alloys. There are 19 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 ASTM B563 Pd-Ag-Cu and the bottom bar is C77600 nickel silver.

ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy UNS C77600 Nickel Silver

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		7.0 to 17
Elongation at Break, %		30

Poisson's Ratio		0.37
Poisson's Ratio		0.3

Shear Modulus, GPa		37
Shear Modulus, GPa		43

Shear Strength, MPa		470 to 690
Shear Strength, MPa		410

Tensile Strength: Ultimate (UTS), MPa		760 to 1170
Tensile Strength: Ultimate (UTS), MPa		630

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		180

Melting Completion (Liquidus), °C		1180
Melting Completion (Liquidus), °C		830

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		790

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

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7
Electrical Conductivity: Equal Volume, % IACS		27

Electrical Conductivity: Equal Weight (Specific), % IACS		4.6 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS		31

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		7.9

Common Calculations

Stiffness to Weight: Axial, points		5.2
Stiffness to Weight: Axial, points		7.9

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		19 to 30
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		17 to 22
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		39 to 61
Thermal Shock Resistance, points		20

Alloy Composition

Copper (Cu), %		15.5 to 16.5
Copper (Cu), %		42 to 45

Iron (Fe), %		0
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0
Lead (Pb), %		0 to 0.25

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.25

Nickel (Ni), %		0.8 to 1.2
Nickel (Ni), %		12 to 14

Palladium (Pd), %		43 to 45
Palladium (Pd), %		0

Platinum (Pt), %		0.8 to 1.2
Platinum (Pt), %		0

Silver (Ag), %		37 to 39
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		0 to 0.15

Zinc (Zn), %		0
Zinc (Zn), %		39.7 to 46

Residuals, %		0
Residuals, %		0 to 0.5