R30003 Cobalt vs. AWS BAg-19
R30003 cobalt belongs to the cobalt alloys classification, while AWS BAg-19 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is R30003 cobalt and the bottom bar is AWS BAg-19.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 74 |
| Poisson's Ratio | 0.29 | |
| 0.37 |
| Shear Modulus, GPa | 83 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 970 to 1720 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 120 |
| Melting Completion (Liquidus), °C | 1400 | |
| 890 |
| Melting Onset (Solidus), °C | 1440 | |
| 760 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 250 |
| Thermal Expansion, µm/m-K | 13 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.4 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 4.0 |
| Stiffness to Weight: Bending, points | 24 | |
| 14 |
| Strength to Weight: Axial, points | 32 to 57 | |
| 3.8 |
| Strength to Weight: Bending, points | 26 to 38 | |
| 5.8 |
| Thermal Shock Resistance, points | 26 to 45 | |
| 6.9 |
Alloy Composition
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| Boron (B), % | 0 to 0.1 | |
| 0 |
| Carbon (C), % | 0 to 0.15 | |
| 0 |
| Chromium (Cr), % | 19 to 21 | |
| 0 |
| Cobalt (Co), % | 39 to 41 | |
| 0 |
| Copper (Cu), % | 0 | |
| 6.6 to 7.9 |
| Iron (Fe), % | 10 to 20.5 | |
| 0 |
| Lithium (Li), % | 0 | |
| 0.15 to 0.3 |
| Manganese (Mn), % | 1.5 to 2.5 | |
| 0 |
| Molybdenum (Mo), % | 6.0 to 8.0 | |
| 0 |
| Nickel (Ni), % | 14 to 16 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 1.2 | |
| 0 |
| Silver (Ag), % | 0 | |
| 92 to 93 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.15 |