OCTG Couplings & Accessories
Reduced-diameter coupling
OCTG Couplings
API 5CTAPI 5B
Reduced-diameter coupling is supplied to API 5CT / 5B. Available in J55–P110. Size range: OD 2⅜″–4½″. Typical application: limited annular clearance / deviation. 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–P110 |
| Sizes / range | OD 2⅜″–4½″ |
| Sub-category | OCTG Couplings |
| Category | OCTG Couplings & Accessories |
| Application | limited annular clearance / deviation |
Related standards