Quarter-hard ASTM B617 vs. Quarter-hard Palladium
Both quarter-hard ASTM B617 and quarter-hard palladium are otherwise unclassified metals. Both are furnished in the quarter-hard temper.
For each property being compared, the top bar is quarter-hard ASTM B617 and the bottom bar is quarter-hard palladium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 75 | |
| 120 |
| Elongation at Break, % | 4.5 | |
| 2.2 |
| Poisson's Ratio | 0.37 | |
| 0.39 |
| Shear Modulus, GPa | 28 | |
| 43 |
| Shear Strength, MPa | 210 | |
| 170 |
| Tensile Strength: Ultimate (UTS), MPa | 360 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 120 | |
| 160 |
| Melting Completion (Liquidus), °C | 870 | |
| 1550 |
| Melting Onset (Solidus), °C | 780 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 250 | |
| 240 |
| Thermal Expansion, µm/m-K | 19 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 83 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 72 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 12 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.1 | |
| 5.6 |
| Stiffness to Weight: Bending, points | 14 | |
| 14 |
| Strength to Weight: Axial, points | 9.5 | |
| 7.1 |
| Strength to Weight: Bending, points | 11 | |
| 8.4 |
| Thermal Shock Resistance, points | 17 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.050 | |
| 0 |
| Copper (Cu), % | 9.0 to 10.4 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Palladium (Pd), % | 0 | |
| 99.8 to 100 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silver (Ag), % | 89.6 to 91 | |
| 0 |
| Zinc (Zn), % | 0 to 0.060 | |
| 0 |
| Residuals, % | 0 to 0.060 | |
| 0 to 0.2 |