Aktívna norma | Vydaná: 01.04.2025

API TR 5NCL

Nickel Content Limits for API 5CT Sour Service Products, First Edition

Dostupné jazyky: Anglicky

Dostupné prevedenie: Zabezpečené PDF, Tlačené

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Podrobné informácie

Označenie: API TR 5NCL

Dátum vydania: 01.04.2025

Stránok: 22

Krajina: Americká technická norma

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Anotácia

This technical report is a review of the literature and subsequent corrosion testing performed to explore if the limits on nickel (Ni)-content in low-alloy steels (LAS) can be revised.
There exists a legacy limitation on the Ni-content in LAS for deployment in sour service due to a perception on significantly reduced resistance to sulfide stress cracking (SSC) when nickel contents above 1 wt% are present.
The outcome of the study suggests that Ni-content may not restrict SSC resistance of LAS, and the underlying microstructure obtained from processing, such as heat treatment and mechanical processing, plays a more important role instead. See more

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