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API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
Specification for Grade C-75 & C-95 Casing and Tubing
Standard published on 1.4.1972
Selected format:Reinforced Thermosetting Resin Casing and Tubing, 2nd Edition
Standard published on 1.11.1981
Selected format:Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition, Includes Errata 1 (2018), Errata 2 (2018), Addendum 1 (2018), Addendum 2 (2019), and Addendum 3 (2021)
Standard published on 1.12.2017
Selected format:Addendum to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition, Includes Errata 1 (2018), Errata 2 (2018), and Addendum 1 (2018)
Adjunct of the standard published on 1.12.2018
Selected format:Addendum to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition
Adjunct of the standard published on 1.12.2019
Selected format:Addendum to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition
Adjunct of the standard published on 1.1.2021
Selected format:Errata - Specification for Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads (US Customary Units)
Adjunct of the standard published on 9.4.1998
Selected format:Errata 1 to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition
Adjunct of the standard published on 1.6.2018
Selected format:Errata to Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition, Includes Errata 1 (2018) and Errata 2 (2018)
Adjunct of the standard published on 1.12.2018
Selected format:Gauging and Inspection of Casing, Tubing and Pipe Line Threads
Standard published on 1.8.1999
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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