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Commercially Pure Palladium vs. EN 1.4849 Stainless Steel

Commercially pure palladium belongs to the otherwise unclassified metals classification, while EN 1.4849 stainless steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is commercially pure palladium and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 1.1 to 11
4.5
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 200 to 380
480

Thermal Properties

Latent Heat of Fusion, J/g 160
320
Melting Completion (Liquidus), °C 1550
1390
Melting Onset (Solidus), °C 1550
1340
Specific Heat Capacity, J/kg-K 240
480
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Density, g/cm3 12
8.0

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
17
Strength to Weight: Bending, points 6.2 to 9.7
17
Thermal Shock Resistance, points 9.8 to 19
11

Alloy Composition

Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
18 to 21
Iron (Fe), % 0
32.6 to 43.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Palladium (Pd), % 99.8 to 100
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.2
0