Commercially Pure Silver vs. Grade 21 Titanium
Commercially pure silver belongs to the otherwise unclassified metals classification, while grade 21 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is commercially pure silver and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 140 |
| Elongation at Break, % | 1.1 to 29 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.37 | |
| 0.32 |
| Shear Modulus, GPa | 26 | |
| 51 |
| Shear Strength, MPa | 120 to 190 | |
| 550 to 790 |
| Tensile Strength: Ultimate (UTS), MPa | 190 to 340 | |
| 890 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 110 | |
| 410 |
| Melting Completion (Liquidus), °C | 960 | |
| 1740 |
| Melting Onset (Solidus), °C | 960 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 500 |
| Thermal Conductivity, W/m-K | 420 | |
| 7.5 |
| Thermal Expansion, µm/m-K | 20 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 5.4 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 13 | |
| 32 |
| Strength to Weight: Axial, points | 4.9 to 8.9 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 6.9 to 10 | |
| 38 to 50 |
| Thermal Diffusivity, mm2/s | 170 | |
| 2.8 |
| Thermal Shock Resistance, points | 9.5 to 17 | |
| 66 to 100 |
Alloy Composition
| 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 |
| 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), % | 99.9 to 100 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |