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EN AC-51500 Aluminum vs. 60Pd-40Ag Alloy

EN AC-51500 aluminum belongs to the aluminum alloys classification, while 60Pd-40Ag alloy belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 60Pd-40Ag alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
100
Elongation at Break, % 5.6
1.1 to 28
Poisson's Ratio 0.33
0.38
Shear Modulus, GPa 26
37
Tensile Strength: Ultimate (UTS), MPa 280
340 to 720

Thermal Properties

Latent Heat of Fusion, J/g 430
140
Melting Completion (Liquidus), °C 630
1360
Melting Onset (Solidus), °C 590
1310
Specific Heat Capacity, J/kg-K 910
240
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
4.1
Electrical Conductivity: Equal Weight (Specific), % IACS 88
3.2

Otherwise Unclassified Properties

Density, g/cm3 2.6
11

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 52
14
Strength to Weight: Axial, points 29
8.4 to 18
Strength to Weight: Bending, points 36
9.6 to 16
Thermal Diffusivity, mm2/s 49
11
Thermal Shock Resistance, points 13
16 to 34

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0
Palladium (Pd), % 0
59.5 to 60.9
Silicon (Si), % 1.8 to 2.6
0
Silver (Ag), % 0
39.1 to 40.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.3