Grade 21 Titanium vs. Solder Alloy 102
Grade 21 titanium belongs to the titanium alloys classification, while solder alloy 102 belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is solder alloy 102.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 38 |
| Elongation at Break, % | 9.0 to 17 | |
| 48 |
| Poisson's Ratio | 0.32 | |
| 0.39 |
| Shear Modulus, GPa | 51 | |
| 14 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1340 | |
| 31 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 46 |
| Melting Completion (Liquidus), °C | 1740 | |
| 180 |
| Melting Onset (Solidus), °C | 1690 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 190 |
| Thermal Conductivity, W/m-K | 7.5 | |
| 53 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 25 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.4 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 11 |
| Embodied Energy, MJ/kg | 490 | |
| 180 |
| Embodied Water, L/kg | 180 | |
| 930 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 32 | |
| 13 |
| Strength to Weight: Axial, points | 46 to 69 | |
| 1.0 |
| Strength to Weight: Bending, points | 38 to 50 | |
| 2.5 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 32 |
| Thermal Shock Resistance, points | 66 to 100 | |
| 2.4 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.050 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.080 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 36 to 37.5 |
| Molybdenum (Mo), % | 14 to 16 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Niobium (Nb), % | 2.2 to 3.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.17 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.25 | |
| 0 |
| Silver (Ag), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 62.5 to 63.5 |
| Titanium (Ti), % | 76 to 81.2 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.4 | |
| 0 |