ASTM B690-96

    Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloys (UNS N08366 and UNS N08367) Seamless Pipe and Tube


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    1. Scope

    1.1 This specification covers iron-nickel-chromium-molybdenum alloys (UNS N08366 and UNS N08367)* cold-finished annealed or hot-finished annealed seamless pipe and tube intended for use in special corrosive service and for heat-resisting applications.

    1.2 Pipe and tube shall be supplied in the solution heat treated and descaled condition. When bright annealing is used, descaling is not necessary.

    1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

    1.4 The following safety hazards caveat pertains only to the test method portion, Section 12, of this specification. 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 establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    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

    A450/A450M Specification for General Requirements for Carbon and Low Alloy Steel Tubes

    B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys

    E8 Test Methods for Tension Testing of Metallic Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys


    ICS Code

    ICS Number Code 77.140.75 (Steel pipes and tubes for specific use)

    UNSPSC Code

    UNSPSC Code 40182300(Seamless steel tubes)


    Referencing This Standard

    DOI: 10.1520/B0690-96

    ASTM International is a member of CrossRef.


    Citation Format

    ASTM B690-96, Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloys (UNS N08366 and UNS N08367) Seamless Pipe and Tube, ASTM International, West Conshohocken, PA, 1996, www.astm.org

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