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Solder Alloy 132 vs. Solder Alloy 137

Both solder alloy 132 and solder alloy 137 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is solder alloy 132 and the bottom bar is solder alloy 137.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
24
Elongation at Break, % 43
19
Poisson's Ratio 0.39
0.42
Shear Modulus, GPa 13
8.3
Tensile Strength: Ultimate (UTS), MPa 52
34

Thermal Properties

Latent Heat of Fusion, J/g 45
33
Melting Completion (Liquidus), °C 190
270
Melting Onset (Solidus), °C 180
190
Specific Heat Capacity, J/kg-K 180
150
Thermal Conductivity, W/m-K 50
38
Thermal Expansion, µm/m-K 25
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 12
7.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
10
Embodied Carbon, kg CO2/kg material 11
6.3
Embodied Energy, MJ/kg 180
100
Embodied Water, L/kg 910
660

Common Calculations

Stiffness to Weight: Axial, points 2.3
1.3
Stiffness to Weight: Bending, points 12
9.2
Strength to Weight: Axial, points 1.6
0.9
Strength to Weight: Bending, points 3.5
2.2
Thermal Diffusivity, mm2/s 30
25
Thermal Shock Resistance, points 4.1
3.7

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0.2 to 0.5
0.5 to 3.0
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.1
0 to 0.25
Cadmium (Cd), % 0 to 0.0020
0 to 0.0050
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), % 38.5 to 40.3
75.9 to 80
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 59.5 to 60.5
19.5 to 20.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010