ASTM B563 Pd-Ag-Cu vs. SAE-AISI H19 Steel

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while SAE-AISI H19 steel belongs to the iron alloys. There are 15 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 ASTM B563 Pd-Ag-Cu and the bottom bar is SAE-AISI H19 steel.

ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy SAE-AISI H19 (T20819) Chromium Hot-Work Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.37
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		760 to 1170
Tensile Strength: Ultimate (UTS), MPa		720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		260

Melting Completion (Liquidus), °C		1180
Melting Completion (Liquidus), °C		1540

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		1490

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		12

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		8.2

Common Calculations

Stiffness to Weight: Axial, points		5.2
Stiffness to Weight: Axial, points		13

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		24 to 68

Strength to Weight: Bending, points		17 to 22
Strength to Weight: Bending, points		22 to 43

Thermal Shock Resistance, points		39 to 61
Thermal Shock Resistance, points		21 to 59

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.32 to 0.45

Chromium (Cr), %		0
Chromium (Cr), %		4.0 to 4.8

Cobalt (Co), %		0
Cobalt (Co), %		4.0 to 4.5

Copper (Cu), %		15.5 to 16.5
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0
Iron (Fe), %		81.4 to 85.5

Manganese (Mn), %		0
Manganese (Mn), %		0.2 to 0.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.3 to 0.55

Nickel (Ni), %		0.8 to 1.2
Nickel (Ni), %		0 to 0.3

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

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

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

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.5

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

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

Tungsten (W), %		0
Tungsten (W), %		3.8 to 4.5

Vanadium (V), %		0
Vanadium (V), %		1.8 to 2.2

Residuals, %		0 to 0.4
Residuals, %		0