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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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API SPEC 5CT

API SPEC 5CT, 11th Edition: Casing and Tubing

CDN $605.00

This publication was last reviewed and confirmed in 2025.

Casing and Tubing

Description

This standard specifies the technical delivery conditions for steel pipes (casing, tubing, and pup joints), couplings, coupling stock, coupling material, and accessory material.
For products covered by this standard, the sizes, masses, and wall thicknesses, as well as grades and applicable end-finishes, are provided. API 5L pipe may be ordered as casing in accordance with API 5C6.

By agreement between the purchaser and the manufacturer, this standard can also be applied to other plain-end pipe sizes and wall thicknesses.

** Includes Addendum 1**

Edition

11

Published Date

2025-05-22

Status

Current

Pages

262

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This standard specifies the technical delivery conditions for steel pipes (casing, tubing, and pup joints), couplings, coupling stock, coupling material, and accessory material.
For products covered by this standard, the sizes, masses, and wall thicknesses, as well as grades and applicable end-finishes, are provided. API 5L pipe may be ordered as casing in accordance with API 5C6.

By agreement between the purchaser and the manufacturer, this standard can also be applied to other plain-end pipe sizes and wall thicknesses.

** Includes Addendum 1**

Previous Editions

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