ASTM B563 Pd-Ag-Cu vs. AWS E70C-Ni2

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while AWS E70C-Ni2 belongs to the iron alloys. There are 18 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 ASTM B563 Pd-Ag-Cu and the bottom bar is AWS E70C-Ni2.

ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy AWS E70C-Ni2 or E49C-Ni2 (W22030) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		7.0 to 17
Elongation at Break, %		27

Poisson's Ratio		0.37
Poisson's Ratio		0.29

Shear Modulus, GPa		37
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		760 to 1170
Tensile Strength: Ultimate (UTS), MPa		560

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		1180
Melting Completion (Liquidus), °C		1450

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		1410

Specific Heat Capacity, J/kg-K		260
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		5.6 to 6.7
Electrical Conductivity: Equal Volume, % IACS		7.5

Electrical Conductivity: Equal Weight (Specific), % IACS		4.6 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS		8.6

Otherwise Unclassified Properties

Density, g/cm³		11
Density, g/cm³		7.8

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		20

Strength to Weight: Bending, points		17 to 22
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		39 to 61
Thermal Shock Resistance, points		17

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.080

Copper (Cu), %		15.5 to 16.5
Copper (Cu), %		0 to 0.35

Iron (Fe), %		0
Iron (Fe), %		94.1 to 98.3

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.3

Nickel (Ni), %		0.8 to 1.2
Nickel (Ni), %		1.8 to 2.8

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

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.025

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.9

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

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

Vanadium (V), %		0
Vanadium (V), %		0 to 0.030

Residuals, %		0
Residuals, %		0 to 0.5