60Pd-40Ag Alloy vs. C51100 Bronze

60Pd-40Ag alloy belongs to the otherwise unclassified metals classification, while C51100 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is 60Pd-40Ag alloy and the bottom bar is C51100 bronze.

60-Palladium 40-Silver Electrical Contact Alloy UNS C51100 (CW450K) Phosphor Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Elongation at Break, %		1.1 to 28
Elongation at Break, %		2.5 to 50

Poisson's Ratio		0.38
Poisson's Ratio		0.34

Shear Modulus, GPa		37
Shear Modulus, GPa		42

Shear Strength, MPa		220 to 350
Shear Strength, MPa		230 to 410

Tensile Strength: Ultimate (UTS), MPa		340 to 720
Tensile Strength: Ultimate (UTS), MPa		330 to 720

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		200

Melting Completion (Liquidus), °C		1360
Melting Completion (Liquidus), °C		1060

Melting Onset (Solidus), °C		1310
Melting Onset (Solidus), °C		970

Specific Heat Capacity, J/kg-K		240
Specific Heat Capacity, J/kg-K		380

Thermal Conductivity, W/m-K		29
Thermal Conductivity, W/m-K		84

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		4.1
Electrical Conductivity: Equal Volume, % IACS		20

Electrical Conductivity: Equal Weight (Specific), % IACS		3.2
Electrical Conductivity: Equal Weight (Specific), % IACS		20

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		7.1

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		8.4 to 18
Strength to Weight: Axial, points		10 to 22

Strength to Weight: Bending, points		9.6 to 16
Strength to Weight: Bending, points		12 to 20

Thermal Diffusivity, mm²/s		11
Thermal Diffusivity, mm²/s		25

Thermal Shock Resistance, points		16 to 34
Thermal Shock Resistance, points		12 to 26

Alloy Composition

Copper (Cu), %		0 to 0.1
Copper (Cu), %		93.8 to 96.5

Iron (Fe), %		0
Iron (Fe), %		0 to 0.1

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

Palladium (Pd), %		59.5 to 60.9
Palladium (Pd), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0.030 to 0.35

Silver (Ag), %		39.1 to 40.5
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		3.5 to 4.9

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.3

Residuals, %		0
Residuals, %		0 to 0.5