Solder Alloy 137 vs. C62300 Bronze
Solder alloy 137 belongs to the otherwise unclassified metals classification, while C62300 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is solder alloy 137 and the bottom bar is C62300 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 24 | |
| 110 |
| Elongation at Break, % | 19 | |
| 18 to 32 |
| Poisson's Ratio | 0.42 | |
| 0.34 |
| Shear Modulus, GPa | 8.3 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 34 | |
| 570 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 33 | |
| 230 |
| Melting Completion (Liquidus), °C | 270 | |
| 1050 |
| Melting Onset (Solidus), °C | 190 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 440 |
| Thermal Conductivity, W/m-K | 38 | |
| 54 |
| Thermal Expansion, µm/m-K | 27 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.9 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.7 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 85 | |
| 28 |
| Density, g/cm3 | 10 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 6.3 | |
| 3.1 |
| Embodied Energy, MJ/kg | 100 | |
| 52 |
| Embodied Water, L/kg | 660 | |
| 390 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.3 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 9.2 | |
| 19 |
| Strength to Weight: Axial, points | 0.9 | |
| 19 to 21 |
| Strength to Weight: Bending, points | 2.2 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 25 | |
| 15 |
| Thermal Shock Resistance, points | 3.7 | |
| 20 to 22 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 8.5 to 10 |
| Antimony (Sb), % | 0.5 to 3.0 | |
| 0 |
| 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 | |
| 83.2 to 89.5 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 2.0 to 4.0 |
| Lead (Pb), % | 75.9 to 80 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 to 1.0 |
| Silicon (Si), % | 0 | |
| 0 to 0.25 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 19.5 to 20.5 | |
| 0 to 0.6 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |