Iso 21457 Materials Selection And Corrosion Control For Oil And Pdf [OFFICIAL | HANDBOOK]

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| Principle | Description | |-----------|-------------| | | Not all materials need the same level of corrosion allowance; life-cycle cost vs. risk. | | Material Classes | Carbon steel, CRA (Corrosion Resistant Alloys - e.g., SS 316, duplex, Inconel), non-metallics. | | Corrosion Mechanisms Addressed | CO₂ corrosion, H₂S (SSC/SWC), O₂ ingress, MIC (Microbiologically Influenced Corrosion), erosion-corrosion, galvanic corrosion. | | Design Life Integration | Materials chosen for 5, 10, 25+ year life with or without corrosion allowance. | Because ISO standards are copyrighted, you cannot legally

: Assess threats like stress corrosion cracking or hydrogen embrittlement. Selection & Control | | Material Classes | Carbon steel, CRA