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1050A Aluminum vs. ASTM B563 Pd-Ag-Cu

1050A 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 1050A aluminum and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 1.1 to 33
7.0 to 17
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 26
37
Shear Strength, MPa 44 to 97
470 to 690
Tensile Strength: Ultimate (UTS), MPa 68 to 170
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 400
150
Melting Completion (Liquidus), °C 660
1180
Melting Onset (Solidus), °C 650
1030
Specific Heat Capacity, J/kg-K 900
260
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 59
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 200
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 2.7
11

Common Calculations

Stiffness to Weight: Axial, points 14
5.2
Stiffness to Weight: Bending, points 50
14
Strength to Weight: Axial, points 6.9 to 18
19 to 30
Strength to Weight: Bending, points 14 to 25
17 to 22
Thermal Shock Resistance, points 3.0 to 7.6
39 to 61

Alloy Composition

Aluminum (Al), % 99.5 to 100
0
Copper (Cu), % 0 to 0.050
15.5 to 16.5
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.050
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 0.25
0
Silver (Ag), % 0
37 to 39
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.4