ASTM A866 - 14

    Standard Specification for Medium Carbon Anti-Friction Bearing Steel

    Active Standard ASTM A866 | Developed by Subcommittee: A01.28

    Book of Standards Volume: 01.05


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    Abstract

    This specification covers the standard specification for medium carbon bearing quality steel to be used in the manufacture of anti-friction bearings. The bearings shall conform to the required chemical composition for carbon, phosphorus, manganese, sulfur, silicon, chromium, molybdenum, vanadium, copper, oxygen and aluminum. Requirement for dimensional tolerances of hot-rolled or hot-rolled and annealed bars, in straight lengths or coils, and cold-finished bars and larger in diameter furnished shall conform to the specified size, shape and tolerances. The grain size of the material shall conform to the required size, otherwise it shall be normalized and retested. Decarburization and surface imperfection shall not exceed the limit in the specified values. Material may be ordered as hot rolled or thermally treated. No hardness limits shall apply for as-hot-rolled materials.

    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 medium carbon bearing quality steel to be used in the manufacture of anti-friction bearings.

    1.2 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.

    1.3 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.


    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

    A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

    A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

    E45 Test Methods for Determining the Inclusion Content of Steel

    E112 Test Methods for Determining Average Grain Size

    E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings

    E1019 Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Fusion Techniques

    E1077 Test Methods for Estimating the Depth of Decarburization of Steel Specimens

    ISO Standard

    ISO683Part17: Ball and Roller Bearing Steels


    ICS Code

    ICS Number Code 77.140.10 (Heat-treatable steels)

    UNSPSC Code

    UNSPSC Code 31171500(Bearings)


    Referencing This Standard

    DOI: 10.1520/A0866-14

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM A866-14, Standard Specification for Medium Carbon Anti-Friction Bearing Steel, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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