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Commercially Pure Palladium vs. EN 1.8915 Steel

Commercially pure palladium belongs to the otherwise unclassified metals classification, while EN 1.8915 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is commercially pure palladium and the bottom bar is EN 1.8915 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 11
19
Poisson's Ratio 0.39
0.29
Shear Modulus, GPa 43
73
Shear Strength, MPa 120 to 200
400
Tensile Strength: Ultimate (UTS), MPa 200 to 380
640

Thermal Properties

Latent Heat of Fusion, J/g 160
250
Melting Completion (Liquidus), °C 1550
1460
Melting Onset (Solidus), °C 1550
1420
Specific Heat Capacity, J/kg-K 240
470
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.6

Otherwise Unclassified Properties

Density, g/cm3 12
7.8

Common Calculations

Stiffness to Weight: Axial, points 5.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 4.5 to 8.8
23
Strength to Weight: Bending, points 6.2 to 9.7
21
Thermal Shock Resistance, points 9.8 to 19
19

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 0
95.2 to 98.9
Manganese (Mn), % 0
1.1 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.8
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.025
Palladium (Pd), % 99.8 to 100
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.0080
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.2
Residuals, % 0 to 0.2
0