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S38815 Stainless Steel vs. Commercially Pure Palladium

S38815 stainless steel belongs to the iron alloys classification, while commercially pure palladium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is commercially pure palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 34
1.1 to 11
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 74
43
Shear Strength, MPa 410
120 to 200
Tensile Strength: Ultimate (UTS), MPa 610
200 to 380

Thermal Properties

Latent Heat of Fusion, J/g 370
160
Melting Completion (Liquidus), °C 1360
1550
Melting Onset (Solidus), °C 1310
1550
Specific Heat Capacity, J/kg-K 500
240
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Density, g/cm3 7.5
12

Common Calculations

Stiffness to Weight: Axial, points 14
5.6
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 22
4.5 to 8.8
Strength to Weight: Bending, points 21
6.2 to 9.7
Thermal Shock Resistance, points 15
9.8 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Palladium (Pd), % 0
99.8 to 100
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 5.5 to 6.5
0
Sulfur (S), % 0 to 0.020
0
Residuals, % 0
0 to 0.2