6B
View AMS Numbers >Cobalt Alloy 6B is a wrought base-cobalt alloy. It is used in applications where wear, corrosion and high temperature resistance are needed. It is most commonly found in directional drilling tools, aerospace applications, valve parts, shaft sleeves and knives.
| Component Elements Properties | Percent |
| Cobalt | balance |
| Nickel (maximum) | 3% |
| Silicon (maximum) | 2% |
| Iron (maximum) | 3% |
| Manganese (maximum) | 2% |
| Chromium | 28-32% |
| Molybdenum (maximum) | 1.5% |
| Tungsten | 3.5-5.5% |
| Carbon | .9-1.4% |
Mechanical Properties (Min) (Solution Treated)
| Property | Value |
| Tensile Strength | 130 ksi |
| Yield Strength at 0.2% Offset | 70 ksi |
| Elongation in 4D | 5% |
| Reduction of Area | 7% |
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