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ASTM A504/A504M-04e1

Historical Revision

Standard Specification for Wrought Carbon Steel Wheels

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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:

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

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

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

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

1.2.3.5 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 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

1.7 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.


SDO ASTM: ASTM International
Document Number A504
Publication Date May 1, 2004
Language en - English
Page Count 8
Revision Level 04e1
Supercedes
Committee A01.06
Publish Date Document Id Type View
March 1, 2018 A0504_A0504M-18 Revision
May 1, 2014 A0504_A0504M-14 Revision
March 1, 2008 A0504_A0504M-08 Revision
March 1, 2007 A0504_A0504M-07 Revision
May 1, 2004 A0504_A0504M-04E01 Revision
March 15, 2023 A0504_A0504M-18R23 Reaffirmation
April 1, 2013 A0504_A0504M-08R13 Reaffirmation