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  • API 941 REDLINE : 2008

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    STEELS FOR HYDROGEN SERVICE AT ELEVATED TEMPERATURES AND PRESSURES IN PETROLEUM REFINERIES AND PETROCHEMICAL PLANTS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2008

    Publisher:  American Petroleum Institute

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 References
    3 Operating Limits
    4 Forms of HTHA
    5 Factors Influencing HTHA
    6 Inspection for HTHA
    Annex A - High Temperature Hydrogen Attack (HTHA)
              of 0.5Mo Steels
    Annex B - HTHA of 1.25Cr-0.5Mo Steel
    Annex C - HTHA of 2.25Cr-1Mo Steel
    Annex D - Effective Pressures of Hydrogen in Steel
              Covered by Clad/Overlay
    Annex E - Summary of Inspection Methods
    Annex F - Request for New Information
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the results of experimental tests and actual data acquired from operating plants to establish practical operating limits for carbon and low alloy steels in hydrogen service at elevated temperatures and pressures. Applies to equipment in refineries, petrochemical facilities, and chemical facilities in which hydrogen or hydrogen-containing fluids are processed at elevated temperature and pressure.

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    Document Type Redline
    Publisher American Petroleum Institute
    Status Current

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