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ASTM B540 Palladium vs. S82012 Stainless Steel

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while S82012 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 1.1 to 14
40
Fatigue Strength, MPa 350
480
Poisson's Ratio 0.38
0.28
Shear Modulus, GPa 39
78
Shear Strength, MPa 500 to 700
550
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
800
Tensile Strength: Yield (Proof), MPa 620 to 1000
560

Thermal Properties

Latent Heat of Fusion, J/g 140
280
Melting Completion (Liquidus), °C 1220
1430
Melting Onset (Solidus), °C 1020
1380
Specific Heat Capacity, J/kg-K 240
480
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
2.5

Otherwise Unclassified Properties

Density, g/cm3 13
7.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
790
Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 18 to 27
29
Strength to Weight: Bending, points 15 to 20
25
Thermal Shock Resistance, points 41 to 61
23

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 20.5
Copper (Cu), % 13.5 to 14.5
0 to 1.0
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
71.3 to 77.9
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Palladium (Pd), % 34 to 36
0
Phosphorus (P), % 0
0 to 0.040
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.0050
Zinc (Zn), % 0.8 to 1.2
0
Residuals, % 0 to 0.3
0