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Commercially Pure Palladium vs. C72700 Copper-nickel

Commercially pure palladium belongs to the otherwise unclassified metals classification, while C72700 copper-nickel 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 commercially pure palladium and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 1.1 to 11
4.0 to 36
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 43
44
Shear Strength, MPa 120 to 200
310 to 620
Tensile Strength: Ultimate (UTS), MPa 200 to 380
460 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Melting Completion (Liquidus), °C 1550
1100
Melting Onset (Solidus), °C 1550
930
Specific Heat Capacity, J/kg-K 240
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 12
11

Otherwise Unclassified Properties

Density, g/cm3 12
8.8

Common Calculations

Stiffness to Weight: Axial, points 5.6
7.4
Stiffness to Weight: Bending, points 14
19
Strength to Weight: Axial, points 4.5 to 8.8
14 to 34
Strength to Weight: Bending, points 6.2 to 9.7
15 to 26
Thermal Shock Resistance, points 9.8 to 19
16 to 38

Alloy Composition

Copper (Cu), % 0
82.1 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Palladium (Pd), % 99.8 to 100
0
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3