ASTM B563 Pd-Ag-Cu vs. ASTM B541 Gold
Both ASTM B563 Pd-Ag-Cu and ASTM B541 gold are otherwise unclassified metals. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM B563 Pd-Ag-Cu and the bottom bar is ASTM B541 gold.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 7.0 to 17 | |
| 6.0 to 14 |
| Knoop Hardness | 210 to 350 | |
| 220 to 340 |
| Poisson's Ratio | 0.37 | |
| 0.4 |
| Shear Modulus, GPa | 37 | |
| 38 |
| Shear Strength, MPa | 470 to 690 | |
| 410 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1170 | |
| 670 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 150 | |
| 90 |
| Melting Completion (Liquidus), °C | 1180 | |
| 1110 |
| Melting Onset (Solidus), °C | 1030 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 260 | |
| 170 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.6 to 6.7 | |
| 7.7 to 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.6 to 5.5 | |
| 4.0 to 6.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 11 | |
| 17 |
Common Calculations
| Stiffness to Weight: Axial, points | 5.2 | |
| 3.4 |
| Stiffness to Weight: Bending, points | 14 | |
| 9.0 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 11 to 19 |
| Strength to Weight: Bending, points | 17 to 22 | |
| 9.8 to 14 |
| Thermal Shock Resistance, points | 39 to 61 | |
| 36 to 63 |
Alloy Composition
| Copper (Cu), % | 15.5 to 16.5 | |
| 13.5 to 15.5 |
| Gold (Au), % | 0 | |
| 70.5 to 72.5 |
| Nickel (Ni), % | 0.8 to 1.2 | |
| 0 |
| Palladium (Pd), % | 43 to 45 | |
| 0 |
| Platinum (Pt), % | 0.8 to 1.2 | |
| 8.0 to 9.0 |
| Silver (Ag), % | 37 to 39 | |
| 4.0 to 5.0 |
| Zinc (Zn), % | 0 | |
| 0.7 to 1.3 |
| Residuals, % | 0 | |
| 0 to 0.4 |