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ASTM B540 Palladium vs. AWS ENiCrMo-3

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while AWS ENiCrMo-3 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 1.1 to 14
34
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
79
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
870

Thermal Properties

Latent Heat of Fusion, J/g 140
330
Melting Completion (Liquidus), °C 1220
1480
Melting Onset (Solidus), °C 1020
1430
Specific Heat Capacity, J/kg-K 240
440
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
1.4

Otherwise Unclassified Properties

Density, g/cm3 13
8.6

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 12
23
Strength to Weight: Axial, points 18 to 27
28
Strength to Weight: Bending, points 15 to 20
24
Thermal Shock Resistance, points 41 to 61
25

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 13.5 to 14.5
0 to 0.5
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0 to 7.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
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 0.75
Silver (Ag), % 29 to 31
0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0.8 to 1.2
0
Residuals, % 0
0 to 0.5