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ASTM B540 Palladium vs. C81500 Copper

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C81500 copper belongs to the copper alloys. There are 21 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 B540 palladium and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 1.1 to 14
17
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 39
44
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
350
Tensile Strength: Yield (Proof), MPa 620 to 1000
280

Thermal Properties

Latent Heat of Fusion, J/g 140
210
Melting Completion (Liquidus), °C 1220
1090
Melting Onset (Solidus), °C 1020
1080
Specific Heat Capacity, J/kg-K 240
390
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
82
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
83

Otherwise Unclassified Properties

Density, g/cm3 13
8.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
56
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
330
Stiffness to Weight: Axial, points 4.7
7.3
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 18 to 27
11
Strength to Weight: Bending, points 15 to 20
12
Thermal Shock Resistance, points 41 to 61
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 13.5 to 14.5
97.4 to 99.6
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
0 to 0.020
Palladium (Pd), % 34 to 36
0
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 29 to 31
0
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 0.8 to 1.2
0 to 0.1
Residuals, % 0
0 to 0.5