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ASTM B563 Pd-Ag-Cu vs. C19200 Copper

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while C19200 copper belongs to the copper alloys. There are 19 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 C19200 copper.

ASTM B563 Palladium-Silver-Copper Electrical Contact AlloyUNS C19200 Iron-Bearing Copper
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 7.0 to 17
2.0 to 35
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 37
44
Shear Strength, MPa 470 to 690
190 to 300
Tensile Strength: Ultimate (UTS), MPa 760 to 1170
280 to 530

Thermal Properties

Latent Heat of Fusion, J/g 150
210
Melting Completion (Liquidus), °C 1180
1080
Melting Onset (Solidus), °C 1030
1080
Specific Heat Capacity, J/kg-K 260
390
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.6 to 6.7
58 to 74
Electrical Conductivity: Equal Weight (Specific), % IACS 4.6 to 5.5
58 to 75

Otherwise Unclassified Properties

Density, g/cm3 11
8.9

Common Calculations

Stiffness to Weight: Axial, points 5.2
7.2
Stiffness to Weight: Bending, points 14
18
Strength to Weight: Axial, points 19 to 30
8.8 to 17
Strength to Weight: Bending, points 17 to 22
11 to 16
Thermal Shock Resistance, points 39 to 61
10 to 19

Alloy Composition

Copper (Cu), % 15.5 to 16.5
98.5 to 99.19
Iron (Fe), % 0
0.8 to 1.2
Lead (Pb), % 0
0 to 0.030
Nickel (Ni), % 0.8 to 1.2
0
Palladium (Pd), % 43 to 45
0
Phosphorus (P), % 0
0.010 to 0.040
Platinum (Pt), % 0.8 to 1.2
0
Silver (Ag), % 37 to 39
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.2