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    ASTM B673 - 21

    Standard Specification for Nickel-Iron-Chromium-Molybdenum and Iron-Nickel-Chromium-Molybdenum-Copper Welded Pipe

    Active Standard ASTM B673 | Developed by Subcommittee: B02.07

    Book of Standards Volume: 02.04


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    Abstract

    This specification covers UNS N08925, UNS 8354, and UNS N08926 welded pipes of specific dimensions for general corrosion applications. The pipe shall be made from flat-rolled alloy by an automatic welding process with no addition of filler material. Class 1 and Class 2 material shall be cold worked either in both weld and base metal or in weld metal only, subsequent to welding and before final solution treatment. The tensile strength, yield strength, and elongation requirements shall conform to specified values. The pipes shall be subjected to random flattening, leak, and electric tests.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers UNS N08925, UNS N08354, and UNS N089262 welded pipe for general corrosion applications.

    1.2 This specification covers pipe sizes in schedules shown in Table 1.

    1.3 ASTM International has adopted definitions whereby some grades, such as UNS N08904, previously in this specification were recognized as stainless steels, because those grades have iron as the largest element by mass percent. Such grades are under the oversight of ASTM Committee A01 and its subcommittees. The products of N08904 previously covered in this specification are now covered by Specification A312/A312M.

    1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.

    1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A312/A312M Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

    B775 Specification for General Requirements for Nickel and Nickel Alloy Welded Pipe

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


    ICS Code

    ICS Number Code 77.150.40 (Nickel and chromium products)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/B0673-21

    Citation Format

    ASTM B673-21, Standard Specification for Nickel-Iron-Chromium-Molybdenum and Iron-Nickel-Chromium-Molybdenum-Copper Welded Pipe, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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