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Commercially Pure Palladium vs. AWS E385

Commercially pure palladium belongs to the otherwise unclassified metals classification, while AWS E385 belongs to the iron alloys. There are 18 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 commercially pure palladium and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 1.1 to 11
34
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 200 to 380
580

Thermal Properties

Latent Heat of Fusion, J/g 160
300
Melting Completion (Liquidus), °C 1550
1440
Melting Onset (Solidus), °C 1550
1390
Specific Heat Capacity, J/kg-K 240
460
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.9

Otherwise Unclassified Properties

Density, g/cm3 12
8.1

Common Calculations

Stiffness to Weight: Axial, points 5.6
14
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 4.5 to 8.8
20
Strength to Weight: Bending, points 6.2 to 9.7
19
Thermal Shock Resistance, points 9.8 to 19
15

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 0
41.8 to 50.1
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 0
24 to 26
Palladium (Pd), % 99.8 to 100
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.9
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.2
0