ASTM A3-87(1995)

    Historical Standard: ASTM A3-87(1995) Standard Specification for Steel Joint Bars, Low, Medium, and High Carbon (Non-Heat-Treated)

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    ASTM A3

    1. Scope

    1.1 This specification covers steel joint bars for connecting steel rails in mine, industrial, and standard railroad track.

    1.2 Three grades of joint bars are defined for applications where non-heat treated bars are suitable:

    1.2.1 Grade 1, low-carbon, primarily for industrial and mine use.

    1.2.2 Grade 2, medium-carbon, primarily for industrial and mine use.

    1.2.3 Grade 3, high-carbon, for general use in standard railroad track. They may be used in the production of insulated track joints.

    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

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

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


    ICS Code

    ICS Number Code 77.140.70 (Steel profiles)

    UNSPSC Code

    UNSPSC Code 25121700(Railroad support equipment and systems)


    DOI: 10.1520/A0003-87R95

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