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Solder Alloy 142 vs. EN AC-71100 Aluminum

Solder alloy 142 belongs to the otherwise unclassified metals classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
72
Elongation at Break, % 37
1.1
Poisson's Ratio 0.4
0.32
Shear Modulus, GPa 12
27
Tensile Strength: Ultimate (UTS), MPa 43
260

Thermal Properties

Latent Heat of Fusion, J/g 42
490
Melting Completion (Liquidus), °C 210
580
Melting Onset (Solidus), °C 180
520
Specific Heat Capacity, J/kg-K 170
860
Thermal Expansion, µm/m-K 25
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
32
Electrical Conductivity: Equal Weight (Specific), % IACS 11
97

Otherwise Unclassified Properties

Density, g/cm3 9.3
2.9
Embodied Carbon, kg CO2/kg material 9.4
7.4
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 890
1010

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
47
Strength to Weight: Axial, points 1.3
25
Strength to Weight: Bending, points 2.9
31
Thermal Shock Resistance, points 3.7
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
78.7 to 83.3
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
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 0.3
Lead (Pb), % 47.4 to 50
0
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
7.5 to 9.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.0010
9.0 to 10.5
Residuals, % 0
0 to 0.15