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V11-225 C1 Cabalt Based cobalt alloy 20 Valve Balls and Co-Cr Alloy Valve Seats for Sucker Rod Pump EB006
1. Material: Cobalt Alloy,Co-Cr Alloy;
2. Standard: API 11AX;
3. Performance:High resistance against corrosion and oxidation;
4. Application:
a.Valve balls and valve seats are widely used in oil fields;
b.Valve Ball and Seat performance directly affects the use effect and service life of the sucker rod pumps;
c.Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.
5. Chemical Composition:
| Composition (%) | C | Si | Mn | Cr | Ni | S | P | Mo | W | Fe | Co | Hardness |
| cobalt alloy 20(Balls) | 2.30-2.65 | ≤1.0 | ≤1.0 | 31.0-34.0 | ≤2.5 | ≤0.04 | ≤0.04 | ≤1.0 | 16.0-18.0 | ≤2.5 | Bal. | HRC:52-60 |
| CoCr Alloy(Seats) | 2.20-2.50 | ≤1.0 | ≤1.0 | 29.0-34.0 | ≤3.0 | ≤0.04 | ≤0.04 | ≤1.0 | 11.0-14.0 | ≤2.5 | Bal. | HRC:51-57 |
6. Video for V11-225 C1 Cabalt Based cobalt alloy 20 Valve Balls and Co-Cr Alloy Valve Seats for Sucker Rod Pump: