Carbide Plungers & Pump Parts
P21 / P22 / P23 plunger series + G11 / C21 / C17 / S11 / S13 pump parts — full API 11AX coverage
Carbide plungers and pump accessories covering the complete API SPEC 11AX specification: P21, P22 and P23 plunger series plus G11, C21, C17, S11 and S13 pump components. Precision-ground OD surfaces, mirror finishes and matched clearances extend pump run life in abrasive and corrosive wells.
API SPEC 11AX (full coverage)API SPEC 6AOEM per drawing
Key features
- Complete API 11AX component coverage from a single qualified source
- P21/P22/P23 plungers with mirror-ground OD for low packing wear
- G11/C21/C17/S11/S13 seats, cages and fittings matched to plungers
- Ni-binder grades available for H₂S / CO₂ corrosive wells
- Interchangeable with API-standard pump assemblies from major OEMs
Representative grades
| Grade | WC | Binder | Hardness | TRS (N/mm²) | Density (g/cm³) | Typical application |
|---|---|---|---|---|---|---|
| YG6 | 94% | Co 6% | HRA 89.5 | ≥ 2150 | 14.95 | P21 plungers, clean to light-sand wells |
| YG8 | 92% | Co 8% | HRA 89.0 | ≥ 2300 | 14.70 | P22 plungers, general rod pump service |
| YN6 | 94% | Ni 6% | HRA 89.0 | ≥ 1950 | 14.85 | P23 plungers, corrosive wells |
| YG11 | 89% | Co 11% | HRA 87.5 | ≥ 2600 | 14.40 | S11/S13 cages and heavy fittings |
Representative grades shown. Full grade portfolio and custom formulations available on request.
Typical applications
Sucker rod pump plungersTubing & rod pump barrels/fittingsHigh-pressure injection pumpsChemical dosing pumps