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ASTM B563 Pd-Ag-Cu vs. C17000 Copper

ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals classification, while C17000 copper belongs to the copper alloys. There are 19 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 C17000 copper.

ASTM B563 Palladium-Silver-Copper Electrical Contact AlloyUNS C17000 (CW100C) Beryllium Copper
Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 7.0 to 17
1.1 to 31
Poisson's Ratio 0.37
0.33
Shear Modulus, GPa 37
45
Shear Strength, MPa 470 to 690
320 to 750
Tensile Strength: Ultimate (UTS), MPa 760 to 1170
490 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 150
230
Melting Completion (Liquidus), °C 1180
980
Melting Onset (Solidus), °C 1030
870
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
22
Electrical Conductivity: Equal Weight (Specific), % IACS 4.6 to 5.5
22

Otherwise Unclassified Properties

Density, g/cm3 11
8.8

Common Calculations

Stiffness to Weight: Axial, points 5.2
7.6
Stiffness to Weight: Bending, points 14
19
Strength to Weight: Axial, points 19 to 30
15 to 41
Strength to Weight: Bending, points 17 to 22
16 to 30
Thermal Shock Resistance, points 39 to 61
17 to 45

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.6 to 1.8
Copper (Cu), % 15.5 to 16.5
96.3 to 98.2
Iron (Fe), % 0
0 to 0.4
Nickel (Ni), % 0.8 to 1.2
0.2 to 0.6
Palladium (Pd), % 43 to 45
0
Platinum (Pt), % 0.8 to 1.2
0
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 37 to 39
0
Residuals, % 0
0 to 0.5