GB/T 37262-2026Petroleum and natural gas industries - Aluminium alloy drill pipe thread connection gauging (English PDF)

GB/T 37262-2026 is the English-translated version of 石油天然气工业 铝合金钻杆螺纹连接测量.

Dimensional gauging of threaded connections on aluminium alloy drill pipe is the subject of this standard, which belongs to the petroleum and natural gas industries. It adopts an international standard and replaces GB/T 37262-2018.

The standard supports the people who manufacture, inspect and maintain drill pipe and its tool joints, including threading shops, equipment suppliers, drilling contractors and third party inspectors. Gauging practice matters because correct measurement of threads underpins interchangeability and the reliable make-up of drill string components. As a recommended national standard (GB/T), it is voluntary unless a contract or specification calls for it.

Companies buying aluminium drill pipe from Chinese producers, or exporting it to China, can use the current edition when agreeing inspection arrangements and when checking that suppliers are working to the present national text. Older inspection procedures that cite the 2018 number should be reviewed against it.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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