85-silver 15-nickel vs. Grade 21 Titanium
85-silver 15-nickel belongs to the otherwise unclassified metals classification, while grade 21 titanium belongs to the titanium alloys. 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 85-silver 15-nickel and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 88 | |
| 140 |
| Poisson's Ratio | 0.36 | |
| 0.32 |
| Shear Modulus, GPa | 32 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 260 to 470 | |
| 890 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 410 |
| Melting Completion (Liquidus), °C | 870 | |
| 1740 |
| Melting Onset (Solidus), °C | 960 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 500 |
| Thermal Expansion, µm/m-K | 18 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 5.4 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 14 | |
| 32 |
| Strength to Weight: Axial, points | 7.1 to 13 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 8.9 to 13 | |
| 38 to 50 |
| Thermal Shock Resistance, points | 12 to 21 | |
| 66 to 100 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 | |
| 0 to 0.4 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 13.8 to 16 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.25 |
| Silver (Ag), % | 84 to 86 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.4 |