Product Details:
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Product Name: | Stellite 20 Valve Balls And Co-Cr Alloy Valve Seats | Material: | Stellite 20 |
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Grade: | V11-225 C1 | Size: | Balls OD34.93mm,V11-225 Seat |
Standard: | Cobalt Chromium Alloy | Quality Control: | 100% Inspected |
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 |
Stellite 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 Stellite 20 Valve Balls and Co-Cr Alloy Valve Seats for Sucker Rod Pump: