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This standard specifies the technical delivery conditions for steel pipes (casing, tubing, and pup joints), coupling stock, coupling material, and accessory material, 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, L-80 9Cr, and C110, are provided. For pipes covered by this standard, the sizes, masses,and wall thicknesses, as well as grades and applicableend-finishes, are provided. API 5L pipe may be orderedas casing in accordance with API 5C6. By agreement between the purchaser and manufacturer, this standard can also be applied to other plain-end pipe sizes and wall thicknesses. The products to which this standard is applicable include the following grades: H40, J55, K55, N80 all types, L80 all types, C90, R95, T95, P110, C110, and Q125. 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). API Specification 5CT  Casing and Tubing  10 th  EDITION |JUNE 2018 | 307 PAGES | $260.00 | PRODUCT NO. G5CT010 www.api.org __________________________________________________ For ordering information: Online: www.api.org/pubs Phone: 1-800-854-7179 (Toll-free in the U.S. and Canada) (+1) 303-397-7956 (Local and International) Fax: (+1) 303-397-2740 API members receive a 30% discount where applicable. For such connections, this standard specifies the technical delivery conditions for couplings and thread protection. Supplementary requirements that can optionally be agreed for enhanced leak resistance connections (LC) are provided. This standard can also be applied to tubulars with connections not covered by API standards. This standard is not applicable to threading requirements. Supplementary requirements that may be specified by the purchaser or agreed between purchaser and manufacturer for non-destructive examination, fully machined coupling blanks, upset casing, electric-welded casing, tubing and pup joints, impact testing, seal-ring couplings, tensile testing, and sulfide stress cracking testing are provided. An informational webinar will be available for viewing by the end of August. Please check http://www.api.org/products-and-services/standards/important-standards-announcements/Specification-5ct for the latest information.