60Pd-40Ag Alloy vs. G-CoCr28 Cobalt

60Pd-40Ag alloy belongs to the otherwise unclassified metals classification, while G-CoCr28 cobalt belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is 60Pd-40Ag alloy and the bottom bar is G-CoCr28 cobalt.

60-Palladium 40-Silver Electrical Contact Alloy G-CoCr28 (2.4778) Cobalt-Chromium Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		1.1 to 28
Elongation at Break, %		6.7

Poisson's Ratio		0.38
Poisson's Ratio		0.28

Shear Modulus, GPa		37
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		340 to 720
Tensile Strength: Ultimate (UTS), MPa		560

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1360
Melting Completion (Liquidus), °C		1330

Melting Onset (Solidus), °C		1310
Melting Onset (Solidus), °C		1270

Specific Heat Capacity, J/kg-K		240
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		29
Thermal Conductivity, W/m-K		8.5

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

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		8.1

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		8.4 to 18
Strength to Weight: Axial, points		19

Strength to Weight: Bending, points		9.6 to 16
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		11
Thermal Diffusivity, mm²/s		2.2

Thermal Shock Resistance, points		16 to 34
Thermal Shock Resistance, points		14

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.050 to 0.25

Chromium (Cr), %		0
Chromium (Cr), %		27 to 30

Cobalt (Co), %		0
Cobalt (Co), %		48 to 52

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

Iron (Fe), %		0
Iron (Fe), %		9.7 to 24.5

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 4.0

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.5

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

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0.5 to 1.5

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

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Residuals, %		0 to 0.3
Residuals, %		0