API Spec 5CT

Specifies the technical delivery conditions for steel pipes (casing, tubing, plain end casing liners and pup-joints) and accessories. This standard is applicable to the following connections in accordance with API Spec 5B: -short round thread casting (STC);-long round thread casing (LC); -buttress thread casing (BC); -extreme-line casing (XC); -non-upset tubing (NU); -external upset tubing (EU); -intergal joint tubingThis edition of API Spec 5CT is the modified adoption of ISO 11960, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells. This specification contains the API monogram annex as part of the U.S. national adoption.