Aktivní norma | Vydána: 01.08.2024

API TR 21D

A Study of the Effect of Thread Forming on the Susceptibility of Precipitation Hardened Ni-Based Alloy Fasteners to Hydrogen Embrittlement, First Edition

Dostupné jazyky: Anglicky

Dostupné provedení: Zabezpečené PDF, Tištěné

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Podrobné informace

Označení: API TR 21D

Datum vydání: 01.08.2024

Stran: 42

Země: Americká technická norma

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Anotace

This report quantifies the hardness profile of both machined and rolled threads in precipitation hardened nickel-based alloys (PHNAs); studies the effects of both machined and rolled threads on hydrogen induced stress cracking (HISC) susceptibility in relevant PHNAs; tests these PHNA grades used for bolting per the requirements of API standards; and provides guidance for the use of the selected testing methodology and resultant test data in the petroleum and natural gas industry. See more

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