ASTM A729/A729M-05a

    Standard Specification for Alloy Steel Axles, Heat-Treated, for Mass Transit and Electric Railway Service

    SUPERSEDED (see Active link, below)


      Format Pages Price  
    PDF 6 $51.60   ADD TO CART


    1. Scope

    1.1 This specification covers quenched and tempered alloy steel axles for mass transit and commuter cars in electric railway service.

    1.2 This specification is for solid design roller bearing axles with machined bodies.

    1.3 Various axle designs are used for this service including motor and nonmotor with either inboard or outboard journals.

    1.4 Supplementary requirements are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.

    1.5 The values stated in inch-pound units are to be regarded as 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.

    Other Standards

    AARManualofStandards Wheels and Axles Available from the Association of American Railroads, http://www.aarpublications.com/.

    ASTM Standards

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

    A275/A275M Practice for Magnetic Particle Examination of Steel Forgings

    A388/A388M Practice for Ultrasonic Examination of Steel Forgings

    A788/A788M Specification for Steel Forgings, General Requirements

    E112 Test Methods for Determining Average Grain Size

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

    E1426 Test Method for Determining the Effective Elastic Parameter for X-Ray Diffraction Measurements of Residual Stress


    ICS Code

    ICS Number Code 45.040 (Materials and components for railway engineering)

    UNSPSC Code

    UNSPSC Code 25173800(Drivetrain systems); 25173801(Driving axles)


    DOI: 10.1520/A0729_A0729M-05A

    ASTM International is a member of CrossRef.


    Citing ASTM Standards
    Back to Top