OCTG Couplings & Accessories
Casing Coupling
OCTG Couplings
API 5CTAPI 5B
Casing Coupling is supplied to API 5CT / 5B. Available in J55–Q125. Size range: OD 4½″–20″. Typical application: casing connection, STC / LTC / BTC. Made to order with full mill certification (EN 10204 3.1) for oil & gas projects across Iran and the Gulf.
| Standard | API 5CT / 5B |
| Grades / classes | J55–Q125 |
| Sizes / range | OD 4½″–20″ |
| Sub-category | OCTG Couplings |
| Category | OCTG Couplings & Accessories |
| Application | casing connection, STC / LTC / BTC |
Related standards