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ASTM B540 Palladium vs. C54400 Bronze

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while C54400 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.38
0.34
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 140
190
Melting Completion (Liquidus), °C 1220
1000
Melting Onset (Solidus), °C 1020
930
Specific Heat Capacity, J/kg-K 240
370
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
19
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
19

Otherwise Unclassified Properties

Density, g/cm3 13
8.9

Common Calculations

Stiffness to Weight: Axial, points 4.7
6.8
Stiffness to Weight: Bending, points 12
18
Strength to Weight: Axial, points 18 to 27
10 to 22
Strength to Weight: Bending, points 15 to 20
12 to 20
Thermal Shock Resistance, points 41 to 61
12 to 26

Alloy Composition

Copper (Cu), % 13.5 to 14.5
85.4 to 91.5
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0 to 0.1
Lead (Pb), % 0
3.5 to 4.5
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0.010 to 0.5
Platinum (Pt), % 9.5 to 10.5
0
Silver (Ag), % 29 to 31
0
Tin (Sn), % 0
3.5 to 4.5
Zinc (Zn), % 0.8 to 1.2
1.5 to 4.5
Residuals, % 0
0 to 0.5