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Solder Alloy 117 vs. 3103 Aluminum

Solder alloy 117 belongs to the otherwise unclassified metals classification, while 3103 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 117 and the bottom bar is 3103 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 11
27 to 62
Elastic (Young's, Tensile) Modulus, GPa 23
70
Elongation at Break, % 20
1.1 to 28
Poisson's Ratio 0.42
0.33
Shear Modulus, GPa 8.1
26
Tensile Strength: Ultimate (UTS), MPa 33
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 31
400
Melting Completion (Liquidus), °C 280
660
Melting Onset (Solidus), °C 180
640
Specific Heat Capacity, J/kg-K 150
900
Thermal Conductivity, W/m-K 37
160
Thermal Expansion, µm/m-K 28
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
42
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
140

Otherwise Unclassified Properties

Base Metal Price, % relative 85
9.5
Density, g/cm3 11
2.8
Embodied Carbon, kg CO2/kg material 6.1
8.2
Embodied Energy, MJ/kg 100
150
Embodied Water, L/kg 610
1180

Common Calculations

Stiffness to Weight: Axial, points 1.2
14
Stiffness to Weight: Bending, points 9.0
50
Strength to Weight: Axial, points 0.88
10 to 22
Strength to Weight: Bending, points 2.2
18 to 30
Thermal Diffusivity, mm2/s 24
64
Thermal Shock Resistance, points 3.7
4.6 to 9.9

Alloy Composition

Aluminum (Al), % 0 to 0.0010
96.3 to 99.1
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.080
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 0.7
Lead (Pb), % 78.4 to 80.5
0
Magnesium (Mg), % 0
0 to 0.3
Manganese (Mn), % 0
0.9 to 1.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 19.5 to 20.5
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.0010
0 to 0.2
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.15