C74000 Nickel Silver vs. ASTM B563 Pd-Ag-Cu

C74000 nickel silver belongs to the copper alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C74000 nickel silver and the bottom bar is ASTM B563 Pd-Ag-Cu.

UNS C74000 Nickel Silver ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.37

Shear Modulus, GPa		44
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		380 to 590
Tensile Strength: Ultimate (UTS), MPa		760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g		200
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		990
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		950
Melting Onset (Solidus), °C		1030

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

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		40
Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7

Electrical Conductivity: Equal Weight (Specific), % IACS		42
Electrical Conductivity: Equal Weight (Specific), % IACS		4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm³		8.5
Density, g/cm³		11

Common Calculations

Stiffness to Weight: Axial, points		7.7
Stiffness to Weight: Axial, points		5.2

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

Strength to Weight: Axial, points		13 to 19
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		14 to 18
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		13 to 19
Thermal Shock Resistance, points		39 to 61

Alloy Composition

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Copper (Cu), %		69 to 73.5
Copper (Cu), %		15.5 to 16.5

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

Lead (Pb), %		0 to 0.1
Lead (Pb), %		0

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0

Nickel (Ni), %		9.0 to 11
Nickel (Ni), %		0.8 to 1.2

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

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

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

Zinc (Zn), %		14.2 to 22
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0 to 0.4