C71580 Copper-nickel vs. ASTM B563 Pd-Ag-Cu

C71580 copper-nickel belongs to the copper alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 19 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 C71580 copper-nickel and the bottom bar is ASTM B563 Pd-Ag-Cu.

UNS C71580 (CuNi30) 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

Elongation at Break, %		40
Elongation at Break, %		7.0 to 17

Poisson's Ratio		0.33
Poisson's Ratio		0.37

Shear Modulus, GPa		51
Shear Modulus, GPa		37

Shear Strength, MPa		230
Shear Strength, MPa		470 to 690

Tensile Strength: Ultimate (UTS), MPa		330
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		1180
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		1120
Melting Onset (Solidus), °C		1030

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

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		4.7
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		8.5
Stiffness to Weight: Axial, points		5.2

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

Strength to Weight: Axial, points		10
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		11
Thermal Shock Resistance, points		39 to 61

Alloy Composition

Carbon (C), %		0 to 0.070
Carbon (C), %		0

Copper (Cu), %		65.5 to 71
Copper (Cu), %		15.5 to 16.5

Iron (Fe), %		0 to 0.5
Iron (Fe), %		0

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

Manganese (Mn), %		0 to 0.3
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 0.050
Zinc (Zn), %		0

Residuals, %		0
Residuals, %		0 to 0.4