ASTM A227/A227M-99(2005)

    Standard Specification for Steel Wire, Cold-Drawn for Mechanical Springs

    SUPERSEDED (see Active link, below)


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    1. Scope

    1.1 This specification covers two classes of round cold-drawn steel spring wire having properties and quality for the manufacture of mechanical springs that are not subject to high stress or requiring high fatigue properties and wire forms.

    1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the 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.

    Federal Standard

    Fed.Std.No.123 Marking for Shipment (Civil Agencies) Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.

    AIAG Standard

    AIAGB-5 02.00 Primary Metals Identification Tag Application Standard Available from Automotive Industry Action Group (AIAG), 26200 Lahser Rd., Suite 200, Southfield, MI 48034.

    ASTM Standards

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A510 Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel

    A510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel (Metric)

    A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment

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

    A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

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

    American National Standard

    B32.4M Preferred Metric Sizes for Round, Square, Rectangle, and Hexagon Metal Products Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.


    ICS Code

    ICS Number Code 77.140.25 (Spring steels)

    UNSPSC Code

    UNSPSC Code 31152200(Non electric iron and steel wire)


    DOI: 10.1520/A0227_A0227M-99R05

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