R30075 Cobalt vs. ASTM B563 Pd-Ag-Cu
R30075 cobalt belongs to the cobalt alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is R30075 cobalt and the bottom bar is ASTM B563 Pd-Ag-Cu.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 to 250 | |
| 100 |
| Elongation at Break, % | 12 | |
| 7.0 to 17 |
| Poisson's Ratio | 0.29 | |
| 0.37 |
| Shear Modulus, GPa | 82 to 98 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1280 | |
| 760 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 320 | |
| 150 |
| Melting Completion (Liquidus), °C | 1360 | |
| 1180 |
| Melting Onset (Solidus), °C | 1290 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 260 |
| Thermal Expansion, µm/m-K | 12 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 5.6 to 6.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 4.6 to 5.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 11 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 to 17 | |
| 5.2 |
| Stiffness to Weight: Bending, points | 24 to 25 | |
| 14 |
| Strength to Weight: Axial, points | 26 to 42 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 22 to 31 | |
| 17 to 22 |
| Thermal Shock Resistance, points | 21 to 29 | |
| 39 to 61 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Boron (B), % | 0 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.35 | |
| 0 |
| Chromium (Cr), % | 27 to 30 | |
| 0 |
| Cobalt (Co), % | 58.7 to 68 | |
| 0 |
| Copper (Cu), % | 0 | |
| 15.5 to 16.5 |
| Iron (Fe), % | 0 to 0.75 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 5.0 to 7.0 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0.8 to 1.2 |
| Nitrogen (N), % | 0 to 0.25 | |
| 0 |
| Palladium (Pd), % | 0 | |
| 43 to 45 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 0.8 to 1.2 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Silver (Ag), % | 0 | |
| 37 to 39 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Tungsten (W), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |