Solder Alloy 502 vs. C72500 Copper-nickel
Solder alloy 502 belongs to the otherwise unclassified metals classification, while C72500 copper-nickel belongs to the copper alloys. There are 21 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 502 and the bottom bar is C72500 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 53 | |
| 120 |
| Poisson's Ratio | 0.36 | |
| 0.34 |
| Shear Modulus, GPa | 19 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 58 | |
| 420 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 66 | |
| 210 |
| Melting Completion (Liquidus), °C | 350 | |
| 1130 |
| Melting Onset (Solidus), °C | 220 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 230 | |
| 390 |
| Thermal Conductivity, W/m-K | 47 | |
| 54 |
| Thermal Expansion, µm/m-K | 22 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 15 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.4 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 15 | |
| 3.6 |
| Embodied Energy, MJ/kg | 260 | |
| 55 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.0 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 17 | |
| 19 |
| Strength to Weight: Axial, points | 2.2 | |
| 13 to 24 |
| Strength to Weight: Bending, points | 4.5 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 28 | |
| 16 |
| Thermal Shock Resistance, points | 3.6 | |
| 14 to 27 |
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 0.080 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Copper (Cu), % | 3.5 to 4.5 | |
| 85.2 to 89.7 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 0.6 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 0.2 |
| Nickel (Ni), % | 0 to 0.010 | |
| 8.5 to 10.5 |
| Silver (Ag), % | 0.8 to 1.2 | |
| 0 |
| Tin (Sn), % | 93.8 to 95.7 | |
| 1.8 to 2.8 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 to 0.5 |
| Residuals, % | 0 | |
| 0 to 0.2 |