Solder Alloy 131 vs. Grade 28 Titanium
Solder alloy 131 belongs to the otherwise unclassified metals classification, while grade 28 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is solder alloy 131 and the bottom bar is grade 28 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 38 | |
| 110 |
| Elongation at Break, % | 47 | |
| 11 to 17 |
| Poisson's Ratio | 0.39 | |
| 0.32 |
| Shear Modulus, GPa | 14 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 31 | |
| 690 to 980 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 410 |
| Melting Completion (Liquidus), °C | 180 | |
| 1640 |
| Melting Onset (Solidus), °C | 180 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 550 |
| Thermal Conductivity, W/m-K | 55 | |
| 8.3 |
| Thermal Expansion, µm/m-K | 25 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 37 |
| Embodied Energy, MJ/kg | 180 | |
| 600 |
| Embodied Water, L/kg | 940 | |
| 370 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 13 | |
| 35 |
| Strength to Weight: Axial, points | 1.0 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 2.5 | |
| 39 to 49 |
| Thermal Diffusivity, mm2/s | 33 | |
| 3.4 |
| Thermal Shock Resistance, points | 2.4 | |
| 47 to 66 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 2.5 to 3.5 |
| Antimony (Sb), % | 0.2 to 0.5 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Copper (Cu), % | 0 to 0.080 | |
| 0 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 0.25 |
| Lead (Pb), % | 35.5 to 37.3 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Ruthenium (Ru), % | 0 | |
| 0.080 to 0.14 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 62.5 to 63.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.4 to 95.4 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |