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ASTM B540 Palladium vs. 319.0 Aluminum

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while 319.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 1.1 to 14
1.8 to 2.0
Fatigue Strength, MPa 350
76 to 80
Poisson's Ratio 0.38
0.33
Shear Modulus, GPa 39
27
Shear Strength, MPa 500 to 700
170 to 210
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
190 to 240
Tensile Strength: Yield (Proof), MPa 620 to 1000
110 to 180

Thermal Properties

Latent Heat of Fusion, J/g 140
480
Melting Completion (Liquidus), °C 1220
600
Melting Onset (Solidus), °C 1020
540
Specific Heat Capacity, J/kg-K 240
880
Thermal Expansion, µm/m-K 14
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
84

Otherwise Unclassified Properties

Density, g/cm3 13
2.9

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
3.3 to 3.9
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
88 to 220
Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 12
48
Strength to Weight: Axial, points 18 to 27
18 to 24
Strength to Weight: Bending, points 15 to 20
25 to 30
Thermal Shock Resistance, points 41 to 61
8.6 to 11

Alloy Composition


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Aluminum (Al), % 0
85.8 to 91.5
Copper (Cu), % 13.5 to 14.5
3.0 to 4.0
Gold (Au), % 9.5 to 10.5
0
Iron (Fe), % 0
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.35
Palladium (Pd), % 34 to 36
0
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
5.5 to 6.5
Silver (Ag), % 29 to 31
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0.8 to 1.2
0 to 1.0
Residuals, % 0 to 0.3
0 to 0.5