C71500 Copper-nickel vs. ASTM B563 Pd-Ag-Cu

C71500 copper-nickel 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 (12, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is ASTM B563 Pd-Ag-Cu.

UNS C71500 (CW354H) Copper-Nickel ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		140
Elastic (Young's, Tensile) Modulus, GPa		100

Poisson's Ratio		0.33
Poisson's Ratio		0.37

Shear Modulus, GPa		52
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		380 to 620
Tensile Strength: Ultimate (UTS), MPa		760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		1240
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		1170
Melting Onset (Solidus), °C		1030

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		260

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		4.6
Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7

Electrical Conductivity: Equal Weight (Specific), % IACS		4.7
Electrical Conductivity: Equal Weight (Specific), % IACS		4.6 to 5.5

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		8.6
Stiffness to Weight: Axial, points		5.2

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

Strength to Weight: Axial, points		12 to 19
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		13 to 18
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		12 to 20
Thermal Shock Resistance, points		39 to 61

Alloy Composition

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Copper (Cu), %		63.5 to 70.6
Copper (Cu), %		15.5 to 16.5

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

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0

Nickel (Ni), %		29 to 33
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), %		0 to 1.0
Zinc (Zn), %		0

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