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Solder Alloy 142 vs. 2030 Aluminum

Solder alloy 142 belongs to the otherwise unclassified metals classification, while 2030 aluminum belongs to the aluminum alloys. There are 23 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 142 and the bottom bar is 2030 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
70
Elongation at Break, % 37
5.6 to 8.0
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 12
26
Tensile Strength: Ultimate (UTS), MPa 43
370 to 420

Thermal Properties

Latent Heat of Fusion, J/g 42
390
Melting Completion (Liquidus), °C 210
640
Melting Onset (Solidus), °C 180
510
Specific Heat Capacity, J/kg-K 170
870
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 25
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
34
Electrical Conductivity: Equal Weight (Specific), % IACS 11
99

Otherwise Unclassified Properties

Density, g/cm3 9.3
3.1
Embodied Carbon, kg CO2/kg material 9.4
8.0
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 890
1140

Common Calculations

Stiffness to Weight: Axial, points 2.0
13
Stiffness to Weight: Bending, points 11
45
Strength to Weight: Axial, points 1.3
33 to 38
Strength to Weight: Bending, points 2.9
37 to 40
Thermal Diffusivity, mm2/s 28
50
Thermal Shock Resistance, points 3.7
16 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0010
88.9 to 95.2
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0 to 0.2
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.080
3.3 to 4.5
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), % 47.4 to 50
0.8 to 1.5
Magnesium (Mg), % 0
0.5 to 1.3
Manganese (Mn), % 0
0.2 to 1.0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.3