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Solder Alloy 117 vs. Solder Alloy 142

Both solder alloy 117 and solder alloy 142 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is solder alloy 117 and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 23
33
Elongation at Break, % 20
37
Poisson's Ratio 0.42
0.4
Shear Modulus, GPa 8.1
12
Tensile Strength: Ultimate (UTS), MPa 33
43

Thermal Properties

Latent Heat of Fusion, J/g 31
42
Melting Completion (Liquidus), °C 280
210
Melting Onset (Solidus), °C 180
180
Specific Heat Capacity, J/kg-K 150
170
Thermal Conductivity, W/m-K 37
45
Thermal Expansion, µm/m-K 28
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
11
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
11

Otherwise Unclassified Properties

Density, g/cm3 11
9.3
Embodied Carbon, kg CO2/kg material 6.1
9.4
Embodied Energy, MJ/kg 100
160
Embodied Water, L/kg 610
890

Common Calculations

Stiffness to Weight: Axial, points 1.2
2.0
Stiffness to Weight: Bending, points 9.0
11
Strength to Weight: Axial, points 0.88
1.3
Strength to Weight: Bending, points 2.2
2.9
Thermal Diffusivity, mm2/s 24
28
Thermal Shock Resistance, points 3.7
3.7

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.5
0 to 0.2
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.25
2.5 to 3.5
Cadmium (Cd), % 0 to 0.0050
0 to 0.0020
Copper (Cu), % 0 to 0.080
0 to 0.080
Gold (Au), % 0 to 0.050
0 to 0.050
Indium (In), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.020
0 to 0.020
Lead (Pb), % 78.4 to 80.5
47.4 to 50
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 19.5 to 20.5
47.5 to 48.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010