C70400 Copper-nickel vs. ASTM B563 Pd-Ag-Cu

C70400 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 C70400 copper-nickel and the bottom bar is ASTM B563 Pd-Ag-Cu.

UNS C70400 Copper-Nickel 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		0.34
Poisson's Ratio		0.37

Shear Modulus, GPa		45
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		300 to 310
Tensile Strength: Ultimate (UTS), MPa		760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		1120
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		1060
Melting Onset (Solidus), °C		1030

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

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		14
Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7

Electrical Conductivity: Equal Weight (Specific), % IACS		14
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		7.5
Stiffness to Weight: Axial, points		5.2

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

Strength to Weight: Axial, points		9.3 to 9.8
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		11 to 12
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		10 to 11
Thermal Shock Resistance, points		39 to 61

Alloy Composition

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Copper (Cu), %		89.8 to 93.6
Copper (Cu), %		15.5 to 16.5

Iron (Fe), %		1.3 to 1.7
Iron (Fe), %		0

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

Manganese (Mn), %		0.3 to 0.8
Manganese (Mn), %		0

Nickel (Ni), %		4.8 to 6.2
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