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About This Item

 

Full Description

Abstract

Includes Errata

This standard specifies the technical delivery conditions for steel pipes (casing, tubing, plain-end casing liners and pup joints), coupling stock and accessories and establishes requirements for three Product Specification Levels (PSL-1, PSL-2, PSL-3). The requirements for PSL-1 are the basis of this standard. The requirements that define different levels of standard technical requirements for PSL-2 and PSL-3, for all Grades except H-40 and L-80 9Cr, are contained in Annex H.

For pipes covered by this standard, the sizes, masses and wall thicknesses as well as grades and applicable end-finishes are listed in Tables C.1 to C.3 and Tables E.1 to E.3. By agreement between the purchaser and manufacturer, this standard can also be applied to other plain-end pipe sizes and wall thicknesses.

This standard is applicable to the following connections in accordance with API Spec 5B:

  • short round thread casing (STC);
  • long round thread casing (LC);
  • buttress thread casing (BC);
  • extreme-line casing (XC);
  • non-upset tubing (NU);
  • external upset tubing (EU);
  • integral joint tubing (IJ).

For such connections, this standard specifies the technical delivery conditions for couplings and thread protection. Supplementary requirements that may optionally be agreed for enhanced leak resistance connections are given in Annex A.11 (SR22).

This standard can also be applied to tubulars with connections not covered by ISO/API standards.

 

Document History

  1. API Spec 5CT


    Specification for Casing and Tubing, Ninth Edition, Includes Errata (2012)

    • Most Recent
  2. API Spec 5CT

    👀currently
    viewing


    Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells

    • Historical Version
  3. API Spec 5CT


    Specification for Casing and Tubing

    • Historical Version
  4. API 5CT


    Specification for Casing and Tubing (U.S. Customary Units)

    • Historical Version
  5. API 5A


    Casing, Tubing, and Drill Pipe - WITHDRAWN - Incorporated into 5D and 5CT

    • Historical Version
  6. API 5a


    Specifications for Steel and Iron Pipe for Oil Country Tubular Goods, 1st Edition

    • Historical Version
 

Amendments & Errata

  1. API 5CT Errata 2

    Free
    Download


    Errata - Specification for Casing and Tubing