Grade 20 Titanium vs. ASTM B563 Pd-Ag-Cu
Grade 20 titanium belongs to the titanium alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is ASTM B563 Pd-Ag-Cu.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 5.7 to 17 | |
| 7.0 to 17 |
| Poisson's Ratio | 0.32 | |
| 0.37 |
| Shear Modulus, GPa | 47 | |
| 37 |
| Shear Strength, MPa | 560 to 740 | |
| 470 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 760 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 150 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1180 |
| Melting Onset (Solidus), °C | 1600 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 260 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 11 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 33 | |
| 14 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 17 to 22 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 39 to 61 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 15.5 to 16.5 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.8 to 1.2 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 43 to 45 |
| Platinum (Pt), % | 0 | |
| 0.8 to 1.2 |
| Silver (Ag), % | 0 | |
| 37 to 39 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |