API SPEC 5B

Podrobné informácie

Označenie: API SPEC 5B

Dátum vydania: 01.10.2026

Stránok: 118

Krajina: Americká technická norma

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Anotácia

This specification covers dimensions, tolerances, and marking requirements for API threads and the gauges that control the acceptance criteria for the threads. Thread element gauges, instruments, and requirements for the inspection of threads for line pipe, round thread casing, round thread tubing, and buttress casing connections are included. Thread dimensions shown without specifications (or shown as “NA”) are not subject to inspection of diameter, ovality, and addendum. Thread dimensions shown without tolerances are related to the basis for connection design and are not subject to measurement to determine acceptance of product.