Solder Alloy 182 vs. 85-platinum 15-iridium
Both solder alloy 182 and 85-platinum 15-iridium are otherwise unclassified metals. There are 18 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 182 and the bottom bar is 85-platinum 15-iridium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 19 | |
| 220 |
| Elongation at Break, % | 37 | |
| 5.5 to 34 |
| Poisson's Ratio | 0.44 | |
| 0.38 |
| Shear Modulus, GPa | 6.7 | |
| 81 |
| Tensile Strength: Ultimate (UTS), MPa | 28 | |
| 560 to 730 |
Thermal Properties
| Latent Heat of Fusion, J/g | 28 | |
| 110 |
| Melting Completion (Liquidus), °C | 370 | |
| 1820 |
| Melting Onset (Solidus), °C | 300 | |
| 1790 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 130 |
| Thermal Expansion, µm/m-K | 29 | |
| 8.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.6 | |
| 6.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.6 | |
| 2.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 11 | |
| 22 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.95 | |
| 5.7 |
| Stiffness to Weight: Bending, points | 7.9 | |
| 9.3 |
| Strength to Weight: Axial, points | 0.69 | |
| 7.1 to 9.3 |
| Strength to Weight: Bending, points | 1.8 | |
| 6.9 to 8.3 |
| Thermal Shock Resistance, points | 3.7 | |
| 21 to 28 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 |
| Antimony (Sb), % | 0 to 0.2 | |
| 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 0.080 | |
| 0 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iridium (Ir), % | 0 | |
| 14.5 to 15.5 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 |
| Lead (Pb), % | 93.2 to 95 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 84.3 to 85.5 |
| Silver (Ag), % | 5.0 to 6.0 | |
| 0 |
| Tin (Sn), % | 0 to 0.25 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.2 |