Solder Alloy 703 vs. C10500 Copper
Solder alloy 703 belongs to the otherwise unclassified metals classification, while C10500 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is solder alloy 703 and the bottom bar is C10500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 51 | |
| 120 |
| Elongation at Break, % | 35 | |
| 2.8 to 51 |
| Poisson's Ratio | 0.36 | |
| 0.34 |
| Shear Modulus, GPa | 19 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 57 | |
| 220 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 61 | |
| 210 |
| Melting Completion (Liquidus), °C | 220 | |
| 1080 |
| Melting Onset (Solidus), °C | 220 | |
| 1080 |
| Specific Heat Capacity, J/kg-K | 220 | |
| 390 |
| Thermal Conductivity, W/m-K | 55 | |
| 390 |
| Thermal Expansion, µm/m-K | 22 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 100 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 100 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.4 | |
| 9.0 |
| Embodied Carbon, kg CO2/kg material | 18 | |
| 2.6 |
| Embodied Energy, MJ/kg | 300 | |
| 42 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.8 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 17 | |
| 18 |
| Strength to Weight: Axial, points | 2.1 | |
| 6.8 to 12 |
| Strength to Weight: Bending, points | 4.4 | |
| 9.1 to 14 |
| Thermal Diffusivity, mm2/s | 33 | |
| 110 |
| Thermal Shock Resistance, points | 3.7 | |
| 7.8 to 14 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 |
| Antimony (Sb), % | 0 to 0.1 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Copper (Cu), % | 0 to 0.050 | |
| 99.89 to 99.966 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Oxygen (O), % | 0 | |
| 0 to 0.0010 |
| Silver (Ag), % | 3.3 to 3.7 | |
| 0.034 to 0.060 |
| Tin (Sn), % | 95.8 to 96.7 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.050 |