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ASTM B540 Palladium vs. SAE-AISI O2 Steel

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while SAE-AISI O2 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is SAE-AISI O2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
72
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
640 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 1220
1450
Melting Onset (Solidus), °C 1020
1410
Specific Heat Capacity, J/kg-K 240
470
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
8.6

Otherwise Unclassified Properties

Density, g/cm3 13
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 18 to 27
23 to 73
Strength to Weight: Bending, points 15 to 20
21 to 46
Thermal Shock Resistance, points 41 to 61
22 to 70

Alloy Composition

Carbon (C), % 0
0.85 to 1.0
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 13.5 to 14.5
0 to 0.25
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
95 to 97.8
Manganese (Mn), % 0
1.4 to 1.8
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 0.3
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0 to 0.030
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 0.8 to 1.2
0
Residuals, % 0 to 0.3
0