20” BTC K55 API 5CT CASING COUPLING

20″ BTC K55 API 5CT Casing Coupling is a high-quality threaded connector designed for oilfield casing strings. It meets the API 5CT (American Petroleum Institute) specification, ensuring compatibility and performance in standard oil and gas drilling operations.

Key Features:

  • Size: 20 inches (nominal outer diameter)

  • Grade: K55 (API material grade with specified yield strength and hardness)

  • Thread Type: BTC (Buttress Thread Casing), a robust thread design for secure connections.

  • Standard: Complies with API 5CT for dimensional, mechanical, and testing requirements.

  • Application: Used to join two sections of casing pipes in well construction, providing pressure integrity and mechanical strength.

Technical Specifications:

  • Material: Carbon steel (per API 5CT K55 requirements)

  • Thread Configuration: API BTC (Buttress) for enhanced load-bearing capacity.

  • Pressure Rating: Suitable for standard wellbore pressures (exact rating depends on wall thickness).

  • Surface Treatment: Typically coated with anti-corrosive compounds or stored with thread protectors.


20” BTC K55 API 5CT CASING COUPLING