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328.0 Aluminum vs. Solder Alloy 502

328.0 aluminum belongs to the aluminum alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (9, 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 328.0 aluminum and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
53
Elongation at Break, % 1.6 to 2.1
34
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 27
19
Tensile Strength: Ultimate (UTS), MPa 200 to 270
58

Thermal Properties

Latent Heat of Fusion, J/g 510
66
Melting Completion (Liquidus), °C 620
350
Melting Onset (Solidus), °C 560
220
Specific Heat Capacity, J/kg-K 890
230
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
12
Electrical Conductivity: Equal Weight (Specific), % IACS 99
15

Otherwise Unclassified Properties

Density, g/cm3 2.7
7.4
Embodied Carbon, kg CO2/kg material 7.8
15
Embodied Energy, MJ/kg 140
260

Common Calculations

Stiffness to Weight: Axial, points 15
4.0
Stiffness to Weight: Bending, points 51
17
Strength to Weight: Axial, points 21 to 28
2.2
Strength to Weight: Bending, points 28 to 34
4.5
Thermal Diffusivity, mm2/s 50
28
Thermal Shock Resistance, points 9.2 to 12
3.6

Alloy Composition

Aluminum (Al), % 84.5 to 91.1
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.35
0
Copper (Cu), % 1.0 to 2.0
3.5 to 4.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 1.0
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0 to 0.25
0 to 0.010
Silicon (Si), % 7.5 to 8.5
0
Silver (Ag), % 0
0.8 to 1.2
Tin (Sn), % 0
93.8 to 95.7
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.5
0 to 0.0010
Residuals, % 0 to 0.5
0