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C18400 Copper vs. Commercially Pure Palladium

C18400 copper belongs to the copper alloys classification, while commercially pure palladium belongs to the otherwise unclassified metals. 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 C18400 copper and the bottom bar is commercially pure palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 13 to 50
1.1 to 11
Poisson's Ratio 0.34
0.39
Shear Modulus, GPa 44
43
Shear Strength, MPa 190 to 310
120 to 200
Tensile Strength: Ultimate (UTS), MPa 270 to 490
200 to 380

Thermal Properties

Latent Heat of Fusion, J/g 210
160
Melting Completion (Liquidus), °C 1080
1550
Melting Onset (Solidus), °C 1070
1550
Specific Heat Capacity, J/kg-K 390
240
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
16
Electrical Conductivity: Equal Weight (Specific), % IACS 81
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
12

Common Calculations

Stiffness to Weight: Axial, points 7.3
5.6
Stiffness to Weight: Bending, points 18
14
Strength to Weight: Axial, points 8.5 to 15
4.5 to 8.8
Strength to Weight: Bending, points 10 to 16
6.2 to 9.7
Thermal Shock Resistance, points 9.6 to 17
9.8 to 19

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Chromium (Cr), % 0.4 to 1.2
0
Copper (Cu), % 97.2 to 99.6
0
Iron (Fe), % 0 to 0.15
0
Lithium (Li), % 0 to 0.050
0
Palladium (Pd), % 0
99.8 to 100
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0
0 to 0.2