Couplings for Casing
Wide range of API 5CT Couplings for Casing, manufactured from API 5CT compliant material.
Specifications: As per the table below and more information is available on request.
- Other specifications: API 5CT and 5B.
- Available sizes: 4 1/2" ~ 20”.
- Available threads:
- BTC (Buttress Thread Casing)
- LTC (Long Round Thread Casing)
- STC (Short Round Thread Casing)
- Available material grades: J55; K55; N80Q; L80; T85; C90; P110; Q125 (PSL-1 & PSL-2).
| API 5CT Couplings for Casing (BTC, STC, LTC) | |||||||
| Size | Outside Diameter | Minimum Length | TPI | ||||
| BTC | STC | LTC | BTC | STC | LTC | ||
| 4 1/2" | 5.000" | 8.875" | 6.25" | 7" | 5 Butt | 8 Rnd | 8 Rnd |
| 5" | 5.563" | 9.125" | 6.50" | 7.75" | 5 Butt | 8 Rnd | 8 Rnd |
| 5 1/2" | 6.050" | 9.25" | 6.75" | 8" | 5 Butt | 8 Rnd | 8 Rnd |
| 6 5/8" | 7.390" | 9.625" | 7.25" | 8.75" | 5 Butt | 8 Rnd | 8 Rnd |
| 7" | 7.875" | 10" | 7.25" | 9" | 5 Butt | 8 Rnd | 8 Rnd |
| 7 5/8" | 8.500" | 10.375" | 7.5" | 9.25 | 5 Butt | 8 Rnd | 8 Rnd |
| 8 5/8" | 9.625" | 10.625" | 7.75" | 10" | 5 Butt | 8 Rnd | 8 Rnd |
| 9 5/8” | 10.625" | 10.625" | 7.75" | 10.5" | 5 Butt | 8 Rnd | 8 Rnd |
| 10 3/4" | 11.750" | 10.625" | 8" | - | 5 Butt | 8 Rnd | - |
| 11 3/4" | 12.750" | 10.625" | 8" | - | 5 Butt | 8 Rnd | - |
| 13 3/8” | 14.375" | 10.625" | 8" | - | 5 Butt | 8 Rnd | - |
| 16" | 17.000" | 10.625" | 9" | - | 5 Butt | 8 Rnd | - |
| 18 5/8" | 20.000" | 10.625" | 9" | - | 5 Butt | 8 Rnd | - |
| 20" | 21.000" | 10.625" | 9" | 11.5" | 5 Butt | 8 Rnd | 8 Rnd |
More information available on request.
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