Solder Alloy 123 vs. C95200 Bronze
Solder alloy 123 belongs to the otherwise unclassified metals classification, while C95200 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is solder alloy 123 and the bottom bar is C95200 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 8.0 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 18 | |
| 110 |
| Elongation at Break, % | 45 | |
| 29 |
| Poisson's Ratio | 0.44 | |
| 0.34 |
| Shear Modulus, GPa | 6.2 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 28 | |
| 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 26 | |
| 230 |
| Melting Completion (Liquidus), °C | 310 | |
| 1050 |
| Melting Onset (Solidus), °C | 300 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 430 |
| Thermal Conductivity, W/m-K | 23 | |
| 50 |
| Thermal Expansion, µm/m-K | 29 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.8 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 28 |
| Density, g/cm3 | 11 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 4.5 | |
| 3.0 |
| Embodied Energy, MJ/kg | 74 | |
| 50 |
| Embodied Water, L/kg | 500 | |
| 380 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.9 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 7.8 | |
| 19 |
| Strength to Weight: Axial, points | 0.69 | |
| 17 |
| Strength to Weight: Bending, points | 1.8 | |
| 17 |
| Thermal Diffusivity, mm2/s | 16 | |
| 14 |
| Thermal Shock Resistance, points | 3.8 | |
| 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 8.5 to 9.5 |
| Antimony (Sb), % | 0 to 0.5 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0050 | |
| 0 |
| Copper (Cu), % | 0 to 0.080 | |
| 86 to 89 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 2.5 to 4.0 |
| Lead (Pb), % | 93.5 to 95.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 4.5 to 5.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 1.0 |