Solder Alloy 122 vs. C82200 Copper
Solder alloy 122 belongs to the otherwise unclassified metals classification, while C82200 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is solder alloy 122 and the bottom bar is C82200 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 20 | |
| 120 |
| Elongation at Break, % | 30 | |
| 8.0 to 20 |
| Poisson's Ratio | 0.43 | |
| 0.34 |
| Shear Modulus, GPa | 6.9 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 30 | |
| 390 to 660 |
Thermal Properties
| Latent Heat of Fusion, J/g | 27 | |
| 220 |
| Melting Completion (Liquidus), °C | 300 | |
| 1080 |
| Melting Onset (Solidus), °C | 270 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 140 | |
| 390 |
| Thermal Conductivity, W/m-K | 25 | |
| 180 |
| Thermal Expansion, µm/m-K | 28 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
| 45 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 46 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 55 |
| Density, g/cm3 | 11 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 4.8 |
| Embodied Energy, MJ/kg | 84 | |
| 74 |
| Embodied Water, L/kg | 540 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.0 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 8.2 | |
| 18 |
| Strength to Weight: Axial, points | 0.77 | |
| 12 to 20 |
| Strength to Weight: Bending, points | 2.0 | |
| 13 to 19 |
| Thermal Diffusivity, mm2/s | 17 | |
| 53 |
| Thermal Shock Resistance, points | 3.9 | |
| 14 to 23 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 |
| Antimony (Sb), % | 0 to 0.5 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Beryllium (Be), % | 0 | |
| 0.35 to 0.8 |
| Bismuth (Bi), % | 0 to 0.25 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0050 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 to 0.080 | |
| 97.4 to 98.7 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 |
| Lead (Pb), % | 88.4 to 90.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 1.0 to 2.0 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 9.5 to 10.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |