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Solder Alloy 502 vs. A444.0 Aluminum

Solder alloy 502 belongs to the otherwise unclassified metals classification, while A444.0 aluminum belongs to the aluminum alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, 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 solder alloy 502 and the bottom bar is A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
70
Elongation at Break, % 34
18
Poisson's Ratio 0.36
0.33
Shear Modulus, GPa 19
26
Tensile Strength: Ultimate (UTS), MPa 58
160

Thermal Properties

Latent Heat of Fusion, J/g 66
500
Melting Completion (Liquidus), °C 350
630
Melting Onset (Solidus), °C 220
590
Specific Heat Capacity, J/kg-K 230
900
Thermal Conductivity, W/m-K 47
160
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
41
Electrical Conductivity: Equal Weight (Specific), % IACS 15
140

Otherwise Unclassified Properties

Density, g/cm3 7.4
2.6
Embodied Carbon, kg CO2/kg material 15
7.9
Embodied Energy, MJ/kg 260
150

Common Calculations

Stiffness to Weight: Axial, points 4.0
15
Stiffness to Weight: Bending, points 17
53
Strength to Weight: Axial, points 2.2
17
Strength to Weight: Bending, points 4.5
25
Thermal Diffusivity, mm2/s 28
68
Thermal Shock Resistance, points 3.6
7.3

Alloy Composition

Aluminum (Al), % 0 to 0.0010
91.6 to 93.5
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 3.5 to 4.5
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
6.5 to 7.5
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 93.8 to 95.7
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.0010
0 to 0.1
Residuals, % 0
0 to 0.15