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3103 Aluminum vs. Solder Alloy 161

3103 aluminum belongs to the aluminum alloys classification, while solder alloy 161 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 3103 aluminum and the bottom bar is solder alloy 161.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
38
Elongation at Break, % 1.1 to 28
44
Poisson's Ratio 0.33
0.39
Shear Modulus, GPa 26
14
Tensile Strength: Ultimate (UTS), MPa 100 to 220
53

Thermal Properties

Latent Heat of Fusion, J/g 400
48
Melting Completion (Liquidus), °C 660
190
Melting Onset (Solidus), °C 640
180
Specific Heat Capacity, J/kg-K 900
190
Thermal Conductivity, W/m-K 160
49
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
11

Otherwise Unclassified Properties

Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.2
11
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 1180
910

Common Calculations

Stiffness to Weight: Axial, points 14
2.4
Stiffness to Weight: Bending, points 50
13
Strength to Weight: Axial, points 10 to 22
1.7
Strength to Weight: Bending, points 18 to 30
3.5
Thermal Diffusivity, mm2/s 64
29
Thermal Shock Resistance, points 4.6 to 9.9
4.1

Alloy Composition

Aluminum (Al), % 96.3 to 99.1
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
1.2 to 1.6
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.020
Lead (Pb), % 0
37.3 to 39.3
Magnesium (Mg), % 0 to 0.3
0
Manganese (Mn), % 0.9 to 1.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.15
0