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2024 Aluminum vs. ASTM B563 Pd-Ag-Cu

2024 aluminum belongs to the aluminum alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 2024 aluminum and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
100
Elongation at Break, % 4.0 to 16
7.0 to 17
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 27
37
Shear Strength, MPa 130 to 320
470 to 690
Tensile Strength: Ultimate (UTS), MPa 200 to 540
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 390
150
Melting Completion (Liquidus), °C 640
1180
Melting Onset (Solidus), °C 500
1030
Specific Heat Capacity, J/kg-K 880
260
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 90
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 3.0
11

Common Calculations

Stiffness to Weight: Axial, points 13
5.2
Stiffness to Weight: Bending, points 46
14
Strength to Weight: Axial, points 18 to 50
19 to 30
Strength to Weight: Bending, points 25 to 49
17 to 22
Thermal Shock Resistance, points 8.6 to 24
39 to 61

Alloy Composition

Aluminum (Al), % 90.7 to 94.7
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
15.5 to 16.5
Iron (Fe), % 0 to 0.5
0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
0
Nickel (Ni), % 0
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Platinum (Pt), % 0
0.8 to 1.2
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
37 to 39
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.4