ASTM A504/A504M-07

    Standard Specification for Wrought Carbon Steel Wheels

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    1. Scope

    1.1 This specification covers one-wear, two-wear, and multiple-wear wrought carbon steel wheels for locomotives and cars, designated Classes L, A, B, and C, heat-treated, wheels.

    1.2 The service for which the various classes are intended is as follows:

    1.2.1 Class B or C wheels shall be used for freight cars in interchange service.

    1.2.2 Class B or C wheels are recommended for use on locomotives.

    1.2.3 For passenger car service, the various classes are intended generally as follows:

    Class L-High speed with more severe braking conditions than other classes and light wheel loads.

    Class A-High speed with more severe braking conditions, but moderate wheel loads.

    Class B-High speed service with severe braking conditions and heavier wheel loads.

    Class C-(1) Service with light braking conditions and heavier wheel loads.

    Class C-(2) Service with heavier braking conditions where off-tread brakes are employed.

    1.3 The use of two-wear wheels is recommended for freight car service.

    1.4 Supplementary requirements included in Specification A 788/A 788M may be specified by the purchaser for forgings ordered to this specification.

    1.5 The values stated in either inch-pound units or SI (metric) units are to be regarded separately as the standard. Within the text and tables, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

    1.6 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units

    This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    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

    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

    E399 Test Method for Linear-Elastic Plane-Strain Fracture Toughness KIc of Metallic Materials

    SAE Documents

    AMS-2430 Shot Peening of Metal Parts

    SAE J 2277 Shot Peening Coverage Determination

    SAE J 442 Test Strip, Holder and Gage for Shot Peening

    SAE J 443 Recommended Practice for Procedures for Using Standard Shot Peening Test Strip

    SAE J 827 Recommended Practice for Cast Steel Shot

    AAR Standard

    AAR M-107/M-208 Wheels, Carbon Steel

    ICS Code

    ICS Number Code 43.040.50 (Transmissions, suspensions)

    UNSPSC Code

    UNSPSC Code 25171902(Train wheels); 25171901(Automobile rims or wheels)

    Referencing This Standard
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    DOI: 10.1520/A0504_A0504M-07

    Citation Format

    ASTM A504 / A504M-07, Standard Specification for Wrought Carbon Steel Wheels, ASTM International, West Conshohocken, PA, 2007,

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