Solder Alloy 122 vs. C94100 Bronze
Solder alloy 122 belongs to the otherwise unclassified metals classification, while C94100 bronze belongs to the copper alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is solder alloy 122 and the bottom bar is C94100 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 20 | |
| 92 |
| Elongation at Break, % | 30 | |
| 7.8 |
| Poisson's Ratio | 0.43 | |
| 0.36 |
| Shear Modulus, GPa | 6.9 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 30 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 27 | |
| 160 |
| Melting Completion (Liquidus), °C | 300 | |
| 870 |
| Melting Onset (Solidus), °C | 270 | |
| 790 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 330 |
| Thermal Expansion, µm/m-K | 28 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 29 |
| Density, g/cm3 | 11 | |
| 9.2 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 3.0 |
| Embodied Energy, MJ/kg | 84 | |
| 48 |
| Embodied Water, L/kg | 540 | |
| 370 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.0 | |
| 5.5 |
| Stiffness to Weight: Bending, points | 8.2 | |
| 16 |
| Strength to Weight: Axial, points | 0.77 | |
| 5.8 |
| Strength to Weight: Bending, points | 2.0 | |
| 8.1 |
| Thermal Shock Resistance, points | 3.9 | |
| 7.6 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 to 0.5 | |
| 0 to 0.8 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.25 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0050 | |
| 0 |
| Copper (Cu), % | 0 to 0.080 | |
| 72 to 79 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 0.25 |
| Lead (Pb), % | 88.4 to 90.5 | |
| 18 to 22 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.080 |
| Tin (Sn), % | 9.5 to 10.5 | |
| 4.5 to 6.5 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 1.3 |