Grade 21 Titanium vs. 90-silver 10-nickel
Grade 21 titanium belongs to the titanium alloys classification, while 90-silver 10-nickel belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is 90-silver 10-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 82 |
| Poisson's Ratio | 0.32 | |
| 0.36 |
| Shear Modulus, GPa | 51 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1340 | |
| 250 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 130 |
| Melting Completion (Liquidus), °C | 1740 | |
| 840 |
| Melting Onset (Solidus), °C | 1690 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 260 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.4 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 4.4 |
| Stiffness to Weight: Bending, points | 32 | |
| 14 |
| Strength to Weight: Axial, points | 46 to 69 | |
| 6.7 to 11 |
| Strength to Weight: Bending, points | 38 to 50 | |
| 8.5 to 12 |
| Thermal Shock Resistance, points | 66 to 100 | |
| 11 to 19 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 |
| Molybdenum (Mo), % | 14 to 16 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 8.8 to 11 |
| 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 | |
| 89 to 91 |
| Titanium (Ti), % | 76 to 81.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.2 |