ASTM B563 Pd-Ag-Cu vs. Commercially Pure Palladium
Both ASTM B563 Pd-Ag-Cu and commercially pure palladium are otherwise unclassified metals. They have 44% of their average alloy composition in common.
For each property being compared, the top bar is ASTM B563 Pd-Ag-Cu and the bottom bar is commercially pure palladium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 7.0 to 17 | |
| 1.1 to 11 |
| Knoop Hardness | 210 to 350 | |
| 68 to 130 |
| Poisson's Ratio | 0.37 | |
| 0.39 |
| Shear Modulus, GPa | 37 | |
| 43 |
| Shear Strength, MPa | 470 to 690 | |
| 120 to 200 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1170 | |
| 200 to 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 150 | |
| 160 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1550 |
| Melting Onset (Solidus), °C | 1030 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 260 | |
| 240 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.6 to 6.7 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.6 to 5.5 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 11 | |
| 12 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.2 | |
| 5.6 |
| Stiffness to Weight: Bending, points | 14 | |
| 14 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 4.5 to 8.8 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 6.2 to 9.7 |
| Thermal Shock Resistance, points | 39 to 61 | |
| 9.8 to 19 |
Alloy Composition
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| Copper (Cu), % | 15.5 to 16.5 | |
| 0 |
| Nickel (Ni), % | 0.8 to 1.2 | |
| 0 |
| Palladium (Pd), % | 43 to 45 | |
| 99.8 to 100 |
| Platinum (Pt), % | 0.8 to 1.2 | |
| 0 |
| Silver (Ag), % | 37 to 39 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.2 |