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Commercially Pure Palladium vs. C69400 Brass

Commercially pure palladium belongs to the otherwise unclassified metals classification, while C69400 brass 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 C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.1 to 11
17
Poisson's Ratio 0.39
0.33
Shear Modulus, GPa 43
42
Shear Strength, MPa 120 to 200
350
Tensile Strength: Ultimate (UTS), MPa 200 to 380
570

Thermal Properties

Latent Heat of Fusion, J/g 160
260
Melting Completion (Liquidus), °C 1550
920
Melting Onset (Solidus), °C 1550
820
Specific Heat Capacity, J/kg-K 240
410
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
6.7

Otherwise Unclassified Properties

Density, g/cm3 12
8.3

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
19
Strength to Weight: Bending, points 6.2 to 9.7
18
Thermal Shock Resistance, points 9.8 to 19
20

Alloy Composition

Copper (Cu), % 0
80 to 83
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Palladium (Pd), % 99.8 to 100
0
Silicon (Si), % 0
3.5 to 4.5
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5