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 BALL & SEAT
SPECIALTIES CO.
is an API authorized manufacturer under Specification 11AX.
Our quality system meets API Specification Q1 requirements and as such
is continually monitored and improved to insure the end product meets or exceeds quality requirements.
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BALL & SEAT SPECIALTIES CO.
is an exclusive distributor for the CERBEC ®
silicon nitride ball to the petroleum industry. This superior quality ceramic ball has shown to endure some of the toughest downhole environments
and exceeded expectations as a wear resistant material.
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| API B1-B2 Cobalt Alloy |
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Cobalt Alloy Grade Specifications
| Ball Specifications |
Seat Specifications |
| Material: |
Alloy #2 |
| Hardness: |
53 - 63 RC |
| Density: |
.316 LBS / CU. IN. |
| Chemical Composition: |
| WC - 16.0 TO 19.0% |
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Cr - 31.0 TO 34.0% |
| C - 2.2 TO 2.7% |
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Mn - 1.0% MAX |
| Fe - 3.0% MAX |
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Si - 1.0% MAX |
| Ni - 2.5% MAX |
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Co - BALANCE |
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| Remarks: |
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| GOOD WEAR, GOOD CORROSION RESISTANCE |
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| Material: |
ALLOY #3 |
| Hardness: |
50 - 57 RC |
| Density: |
.314 LBS / CU. IN. |
| Chemical Composition: |
| WC - 11.0 TO 14.0% |
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Cr - 29.0 TO 33.0% |
| C - 2.0 TO 2.6% |
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Mn - 1.0% MAX |
| Fe - 3.0% MAX |
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Si - 1.0% MAX |
| Ni - 3.0% MAX |
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Co - BALANCE |
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| Remarks: |
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| GOOD WEAR, GOOD CORROSION RESISTANCE |
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