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ASTM B540 Palladium vs. C19800 Copper

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C19800 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C19800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 1.1 to 14
9.0 to 12
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 39
43
Shear Strength, MPa 500 to 700
260 to 330
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
430 to 550
Tensile Strength: Yield (Proof), MPa 620 to 1000
420 to 550

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Melting Completion (Liquidus), °C 1220
1070
Melting Onset (Solidus), °C 1020
1050
Specific Heat Capacity, J/kg-K 240
390
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
61
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
62

Otherwise Unclassified Properties

Density, g/cm3 13
8.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
49 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
770 to 1320
Stiffness to Weight: Axial, points 4.7
7.2
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 18 to 27
14 to 17
Strength to Weight: Bending, points 15 to 20
14 to 17
Thermal Shock Resistance, points 41 to 61
15 to 20

Alloy Composition

Copper (Cu), % 13.5 to 14.5
95.7 to 99.47
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0.020 to 0.5
Magnesium (Mg), % 0
0.1 to 1.0
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0.010 to 0.1
Platinum (Pt), % 9.5 to 10.5
0
Silver (Ag), % 29 to 31
0
Tin (Sn), % 0
0.1 to 1.0
Zinc (Zn), % 0.8 to 1.2
0.3 to 1.5
Residuals, % 0
0 to 0.2