Age Hardened And Cold Worked ASTM B541 vs. Cold Worked And Aged R30035 Cobalt
Age hardened and cold worked ASTM B541 belongs to the otherwise unclassified metals classification, while cold worked and aged R30035 cobalt belongs to the cobalt alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is age hardened and cold worked ASTM B541 and the bottom bar is cold worked and aged R30035 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 230 |
| Elongation at Break, % | 6.0 | |
| 9.0 |
| Fatigue Strength, MPa | 210 | |
| 740 |
| Poisson's Ratio | 0.4 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 89 |
| Tensile Strength: Ultimate (UTS), MPa | 1180 | |
| 1900 |
| Tensile Strength: Yield (Proof), MPa | 900 | |
| 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 320 |
| Melting Completion (Liquidus), °C | 1110 | |
| 1440 |
| Melting Onset (Solidus), °C | 930 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 440 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.2 | |
| 1.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.7 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3830 | |
| 5920 |
| Stiffness to Weight: Axial, points | 3.4 | |
| 15 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 61 |
| Strength to Weight: Bending, points | 14 | |
| 39 |
| Thermal Shock Resistance, points | 63 | |
| 46 |
Alloy Composition
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| Boron (B), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 | |
| 0 to 0.025 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 29.1 to 39 |
| Copper (Cu), % | 13.5 to 15.5 | |
| 0 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.15 |
| Molybdenum (Mo), % | 0 | |
| 9.0 to 10.5 |
| Nickel (Ni), % | 0 | |
| 33 to 37 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.15 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |