ASTM B563 Pd-Ag-Cu vs. C99300 Copper

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while C99300 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 C99300 copper.

ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy UNS C99300 Nickel-Aluminum Copper

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		7.0 to 17
Elongation at Break, %		2.0

Poisson's Ratio		0.37
Poisson's Ratio		0.33

Shear Modulus, GPa		37
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		760 to 1170
Tensile Strength: Ultimate (UTS), MPa		660

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		240

Melting Completion (Liquidus), °C		1180
Melting Completion (Liquidus), °C		1080

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		1070

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7
Electrical Conductivity: Equal Volume, % IACS		9.0

Electrical Conductivity: Equal Weight (Specific), % IACS		4.6 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS		9.8

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		8.2

Common Calculations

Stiffness to Weight: Axial, points		5.2
Stiffness to Weight: Axial, points		8.3

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		20

Thermal Shock Resistance, points		39 to 61
Thermal Shock Resistance, points		22

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		10.7 to 11.5

Cobalt (Co), %		0
Cobalt (Co), %		1.0 to 2.0

Copper (Cu), %		15.5 to 16.5
Copper (Cu), %		68.6 to 74.4

Iron (Fe), %		0
Iron (Fe), %		0.4 to 1.0

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

Nickel (Ni), %		0.8 to 1.2
Nickel (Ni), %		13.5 to 16.5

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

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.020

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

Tin (Sn), %		0
Tin (Sn), %		0 to 0.050

Residuals, %		0
Residuals, %		0 to 0.3