ASTM B815-97

    Standard Specification for Cobalt-Chromium-Nickel-Molybdenum-Tungsten Alloy (UNS R31233) Rod

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    1. Scope

    1.1 This specification covers cobalt-chromium-nickel-molybdenum-tungsten alloy UNS R31233 in the form of rod for wear applications and general corrosion service.

    1.2 The following products are covered under this specification:

    1.2.1 Rods 3/16 to 3/4 in. (9.76 to 19.05 mm) exclusive in diameter, hot or cold finished, solution-annealed, and pickled or mechanically descaled; and

    1.2.2 Rods 3/4 to 3 1/2 in. (19.05 to 88.9 mm) inclusive 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

    E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition

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


    ICS Code

    ICS Number Code 77.150.70 (Cadmium and cobalt products)

    UNSPSC Code

    UNSPSC Code 11101711(Non ferrous alloy)


    DOI: 10.1520/B0815-97

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