Solder Alloy 161 vs. Solder Alloy 133
Both solder alloy 161 and solder alloy 133 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is solder alloy 161 and the bottom bar is solder alloy 133.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 38 | |
33 |
Elongation at Break, % | 44 | |
34 |
Poisson's Ratio | 0.39 | |
0.4 |
Shear Modulus, GPa | 14 | |
12 |
Tensile Strength: Ultimate (UTS), MPa | 53 | |
41 |
Thermal Properties
Latent Heat of Fusion, J/g | 48 | |
42 |
Melting Completion (Liquidus), °C | 190 | |
220 |
Melting Onset (Solidus), °C | 180 | |
180 |
Specific Heat Capacity, J/kg-K | 190 | |
180 |
Thermal Conductivity, W/m-K | 49 | |
47 |
Thermal Expansion, µm/m-K | 25 | |
25 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 11 | |
11 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
10 |
Otherwise Unclassified Properties
Density, g/cm3 | 8.9 | |
9.3 |
Embodied Carbon, kg CO2/kg material | 11 | |
9.4 |
Embodied Energy, MJ/kg | 180 | |
160 |
Embodied Water, L/kg | 910 | |
840 |
Common Calculations
Stiffness to Weight: Axial, points | 2.4 | |
2.0 |
Stiffness to Weight: Bending, points | 13 | |
12 |
Strength to Weight: Axial, points | 1.7 | |
1.2 |
Strength to Weight: Bending, points | 3.5 | |
2.9 |
Thermal Diffusivity, mm2/s | 29 | |
29 |
Thermal Shock Resistance, points | 4.1 | |
3.5 |
Alloy Composition
Aluminum (Al), % | 0 to 0.0010 | |
0 to 0.0010 |
Antimony (Sb), % | 0 to 0.2 | |
0.2 to 0.5 |
Arsenic (As), % | 0 to 0.030 | |
0 to 0.030 |
Bismuth (Bi), % | 0 to 0.1 | |
0 to 0.1 |
Cadmium (Cd), % | 0 to 0.0020 | |
0 to 0.0020 |
Copper (Cu), % | 1.2 to 1.6 | |
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), % | 37.3 to 39.3 | |
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), % | 59.5 to 60.5 | |
49.5 to 50.5 |
Zinc (Zn), % | 0 to 0.0010 | |
0 to 0.0010 |