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EN AC-51500 Aluminum vs. ASTM B563 Pd-Ag-Cu

EN AC-51500 aluminum belongs to the aluminum alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (14, 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 EN AC-51500 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, % 5.6
7.0 to 17
Poisson's Ratio 0.33
0.37
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 280
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 430
150
Melting Completion (Liquidus), °C 630
1180
Melting Onset (Solidus), °C 590
1030
Specific Heat Capacity, J/kg-K 910
260
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
5.6 to 6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 88
4.6 to 5.5

Otherwise Unclassified Properties

Density, g/cm3 2.6
11

Common Calculations

Stiffness to Weight: Axial, points 14
5.2
Stiffness to Weight: Bending, points 52
14
Strength to Weight: Axial, points 29
19 to 30
Strength to Weight: Bending, points 36
17 to 22
Thermal Shock Resistance, points 13
39 to 61

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Copper (Cu), % 0 to 0.050
15.5 to 16.5
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
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), % 1.8 to 2.6
0
Silver (Ag), % 0
37 to 39
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.4