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Solder Alloy 131 vs. 2024 Aluminum

Solder alloy 131 belongs to the otherwise unclassified metals classification, while 2024 aluminum belongs to the aluminum alloys. 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 solder alloy 131 and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
71
Elongation at Break, % 47
4.0 to 16
Poisson's Ratio 0.39
0.33
Shear Modulus, GPa 14
27
Tensile Strength: Ultimate (UTS), MPa 31
200 to 540

Thermal Properties

Latent Heat of Fusion, J/g 46
390
Melting Completion (Liquidus), °C 180
640
Melting Onset (Solidus), °C 180
500
Specific Heat Capacity, J/kg-K 190
880
Thermal Conductivity, W/m-K 55
120
Thermal Expansion, µm/m-K 25
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
30
Electrical Conductivity: Equal Weight (Specific), % IACS 12
90

Otherwise Unclassified Properties

Density, g/cm3 8.8
3.0
Embodied Carbon, kg CO2/kg material 11
8.3
Embodied Energy, MJ/kg 180
150
Embodied Water, L/kg 940
1140

Common Calculations

Stiffness to Weight: Axial, points 2.4
13
Stiffness to Weight: Bending, points 13
46
Strength to Weight: Axial, points 1.0
18 to 50
Strength to Weight: Bending, points 2.5
25 to 49
Thermal Diffusivity, mm2/s 33
46
Thermal Shock Resistance, points 2.4
8.6 to 24

Alloy Composition


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Aluminum (Al), % 0 to 0.0010
90.7 to 94.7
Antimony (Sb), % 0.2 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.080
3.8 to 4.9
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.5
Lead (Pb), % 35.5 to 37.3
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0
0.3 to 0.9
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 62.5 to 63.5
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.0010
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15