ASTM B621-95a

    Standard Specification for Nickel-Iron-Chromium-Molybdenum Alloy (UNS N08320) Rod

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    1. Scope

    1.1 This specification covers nickel-iron chromium-molybdenum alloy (UNS N08320)* rod for use in general corrosive service.

    1.2 The following products are covered under this specification:

    1.2.1 Rods 5/16 to 3/4 in. (7.94 to 19.05 mm) excl in diameter, hot or cold finished, solution annealed and pickled or mechanically descaled.

    1.2.2 Rods 3/4 to 3 1/2 in. (19.05 to 88.9 mm) incl in diameter, hot or cold finished, solution annealed, ground or turned.

    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.


    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

    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

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

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


    ICS Code

    ICS Number Code 77.150.40 (Nickel and chromium products)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0621-95A

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