ASTM B540 Palladium vs. ASTM B628 Ag-Cu
Both ASTM B540 palladium and ASTM B628 Ag-Cu are otherwise unclassified metals. They have 44% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ASTM B540 palladium and the bottom bar is ASTM B628 Ag-Cu.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 83 |
| Elongation at Break, % | 1.1 to 14 | |
| 1.1 to 17 |
| Poisson's Ratio | 0.38 | |
| 0.36 |
| Shear Modulus, GPa | 39 | |
| 31 |
| Shear Strength, MPa | 500 to 700 | |
| 210 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1240 | |
| 350 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 140 | |
| 140 |
| Melting Completion (Liquidus), °C | 1220 | |
| 780 |
| Melting Onset (Solidus), °C | 1020 | |
| 780 |
| Specific Heat Capacity, J/kg-K | 240 | |
| 280 |
| Thermal Expansion, µm/m-K | 14 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.9 to 5.5 | |
| 84 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 to 3.9 | |
| 75 |
Otherwise Unclassified Properties
| Density, g/cm3 | 13 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 4.6 |
| Stiffness to Weight: Bending, points | 12 | |
| 14 |
| Strength to Weight: Axial, points | 18 to 27 | |
| 9.5 to 21 |
| Strength to Weight: Bending, points | 15 to 20 | |
| 11 to 18 |
| Thermal Shock Resistance, points | 41 to 61 | |
| 16 to 34 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 13.5 to 14.5 | |
| 26.6 to 29 |
| Gold (Au), % | 9.5 to 10.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Palladium (Pd), % | 34 to 36 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Platinum (Pt), % | 9.5 to 10.5 | |
| 0 |
| Silver (Ag), % | 29 to 31 | |
| 71 to 73 |
| Zinc (Zn), % | 0.8 to 1.2 | |
| 0 to 0.060 |
| Residuals, % | 0 | |
| 0 to 0.21 |