ASTM B563 Pd-Ag-Cu vs. SAE-AISI M34 Steel

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while SAE-AISI M34 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 M34 steel.

ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy SAE-AISI M34 (T11334) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.37
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		760 to 1170
Tensile Strength: Ultimate (UTS), MPa		800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		270

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

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		1500

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		450

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		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		27 to 74

Strength to Weight: Bending, points		17 to 22
Strength to Weight: Bending, points		23 to 46

Thermal Shock Resistance, points		39 to 61
Thermal Shock Resistance, points		25 to 67

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.85 to 0.92

Chromium (Cr), %		0
Chromium (Cr), %		3.5 to 4.0

Cobalt (Co), %		0
Cobalt (Co), %		7.8 to 8.8

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

Iron (Fe), %		0
Iron (Fe), %		71.3 to 76.5

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		7.8 to 9.2

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 0.45

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

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

Tungsten (W), %		0
Tungsten (W), %		1.4 to 2.1

Vanadium (V), %		0
Vanadium (V), %		1.9 to 2.3

Residuals, %		0 to 0.4
Residuals, %		0