ASTM B563 Pd-Ag-Cu vs. N08031 Stainless Steel

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while N08031 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM B563 Pd-Ag-Cu and the bottom bar is N08031 stainless steel.

ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy UNS N08031 (Alloy 31, 1.4562) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		7.0 to 17
Elongation at Break, %		45

Poisson's Ratio		0.37
Poisson's Ratio		0.28

Shear Modulus, GPa		37
Shear Modulus, GPa		81

Shear Strength, MPa		470 to 690
Shear Strength, MPa		510

Tensile Strength: Ultimate (UTS), MPa		760 to 1170
Tensile Strength: Ultimate (UTS), MPa		730

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1180
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		1390

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

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

Common Calculations

Stiffness to Weight: Axial, points		5.2
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		19 to 30
Strength to Weight: Axial, points		25

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

Thermal Shock Resistance, points		39 to 61
Thermal Shock Resistance, points		14

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.015

Chromium (Cr), %		0
Chromium (Cr), %		26 to 28

Copper (Cu), %		15.5 to 16.5
Copper (Cu), %		1.0 to 1.4

Iron (Fe), %		0
Iron (Fe), %		29 to 36.9

Manganese (Mn), %		0
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		6.0 to 7.0

Nickel (Ni), %		0.8 to 1.2
Nickel (Ni), %		30 to 32

Nitrogen (N), %		0
Nitrogen (N), %		0.15 to 0.25

Palladium (Pd), %		43 to 45
Palladium (Pd), %		0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

Platinum (Pt), %		0.8 to 1.2
Platinum (Pt), %		0

Silicon (Si), %		0
Silicon (Si), %		0 to 0.3

Silver (Ag), %		37 to 39
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Residuals, %		0 to 0.4
Residuals, %		0