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Solder Alloy 112 vs. Solder Alloy 133

Both solder alloy 112 and solder alloy 133 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. Their average alloy composition is basically identical.

For each property being compared, the top bar is solder alloy 112 and the bottom bar is solder alloy 133.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
33
Elongation at Break, % 35
34
Poisson's Ratio 0.4
0.4
Shear Modulus, GPa 12
12
Tensile Strength: Ultimate (UTS), MPa 41
41

Thermal Properties

Latent Heat of Fusion, J/g 41
42
Melting Completion (Liquidus), °C 220
220
Melting Onset (Solidus), °C 180
180
Specific Heat Capacity, J/kg-K 180
180
Thermal Conductivity, W/m-K 49
47
Thermal Expansion, µm/m-K 26
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 10
10

Otherwise Unclassified Properties

Density, g/cm3 9.3
9.3
Embodied Carbon, kg CO2/kg material 9.4
9.4
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 830
840

Common Calculations

Stiffness to Weight: Axial, points 2.0
2.0
Stiffness to Weight: Bending, points 11
12
Strength to Weight: Axial, points 1.2
1.2
Strength to Weight: Bending, points 2.8
2.9
Thermal Diffusivity, mm2/s 30
29
Thermal Shock Resistance, points 3.5
3.5

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.050
0.2 to 0.5
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.050
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
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), % 49 to 50.5
48.5 to 50.3
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 49.5 to 50.5
49.5 to 50.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010