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A380.0 Aluminum vs. ASTM B540 Palladium

A380.0 aluminum belongs to the aluminum alloys classification, while ASTM B540 palladium belongs to the otherwise unclassified metals. 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 A380.0 aluminum and the bottom bar is ASTM B540 palladium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 3.3
1.1 to 14
Fatigue Strength, MPa 140
350
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 27
39
Shear Strength, MPa 190
500 to 700
Tensile Strength: Ultimate (UTS), MPa 290
830 to 1240
Tensile Strength: Yield (Proof), MPa 160
620 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 510
140
Melting Completion (Liquidus), °C 590
1220
Melting Onset (Solidus), °C 550
1020
Specific Heat Capacity, J/kg-K 870
240
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
4.9 to 5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 78
3.5 to 3.9

Otherwise Unclassified Properties

Density, g/cm3 2.9
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1790 to 4660
Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 48
12
Strength to Weight: Axial, points 28
18 to 27
Strength to Weight: Bending, points 34
15 to 20
Thermal Shock Resistance, points 13
41 to 61

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Copper (Cu), % 3.0 to 4.0
13.5 to 14.5
Gold (Au), % 0
9.5 to 10.5
Iron (Fe), % 0 to 1.3
0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Palladium (Pd), % 0
34 to 36
Platinum (Pt), % 0
9.5 to 10.5
Silicon (Si), % 7.5 to 9.5
0
Silver (Ag), % 0
29 to 31
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0.8 to 1.2
Residuals, % 0 to 0.5
0 to 0.3