ASTM A504/A504M-08
(Specification)Standard Specification for Wrought Carbon Steel Wheels
Standard Specification for Wrought Carbon Steel Wheels
ABSTRACT
This specification deals with one-wear, two-wear, and multiple-wear wrought carbon steel wheels for locomotives and cars. The classes of steel wheels according to passenger car service covered here are: Class L, which are for high speed services with more severe braking conditions than other classes and light wheel loads; Class A, which are for high speed services with more severe braking conditions, but moderate wheel loads; Class B, which are for high speed services with severe braking conditions and heavier wheel loads; Class C (1), which are for services with light braking conditions and heavier wheel loads; and Class C (2), which are for services with heavier braking conditions where off-tread brakes are employed. Class B and C wheels shall be used for freight cars in interchange service, and are recommended for use on locomotives. Wheels shall be treated by rim-quenching and shot peening, and shall be finished by rough boring and machining. Heat analysis and rim hardness measurement procedures shall be performed to evaluate the conformance of wheel specimens with chemical composition and Brinell hardness requirements, respectively. Materials shall also go through nondestructive ultrasonic and magnetic particle examinations. Finally, customary product marking procedures shall be followed.
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:
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/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
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.
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Designation:A504/A504M −08
StandardSpecification for
1
Wrought Carbon Steel Wheels
This standard is issued under the fixed designationA504/A504M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 1.6 Unless the order specifies the applicable “M” specifica-
tion designation, the material shall be furnished to the inch-
1.1 This specification covers one-wear, two-wear, and
pound units
multiple-wear wrought carbon steel wheels for locomotives
1.7 This standard does not purport to address all of the
and cars, designated Classes L, A, B, and C, heat-treated,
safety concerns, if any, associated with its use. It is the
wheels.
responsibility of the user of this standard to establish appro-
1.2 The service for which the various classes are intended is
priate safety and health practices and determine the applica-
as follows:
bility of regulatory limitations prior to use.
1.2.1 Class B or C wheels shall be used for freight cars in
interchange service.
2. Referenced Documents
1.2.2 Class B or C wheels are recommended for use on
2
2.1 ASTM Standards:
locomotives.
A275/A275M Practice for Magnetic Particle Examination of
1.2.3 For passenger car service, the various classes are
Steel Forgings
intended generally as follows:
A388/A388M Practice for Ultrasonic Examination of Steel
1.2.3.1 Class L—High speed with more severe braking
Forgings
conditions than other classes and light wheel loads.
A788/A788M Specification for Steel Forgings, General Re-
1.2.3.2 Class A—High speed with more severe braking
quirements
conditions, but moderate wheel loads.
3
2.2 SAE Documents:
1.2.3.3 Class B—High speed service with severe braking
SAE J 442 Test Strip, Holder and Gage for Shot Peening
conditions and heavier wheel loads.
SAEJ443 RecommendedPracticeforProceduresforUsing
1.2.3.4 Class C—(1) Service with light braking conditions
Standard Shot Peening Test Strip
and heavier wheel loads.
SAE J 827 Recommended Practice for Cast Steel Shot
1.2.3.5 Class C—(2) Service with heavier braking condi-
2.3 Military Standard:
tions where off-tread brakes are employed.
4
MIL-S-13165B Shot Peening of Metal Parts
1.3 The use of two-wear wheels is recommended for freight
2.4 AAR Standard:
car service.
5
AAR M-107/M-208 Wheels, Carbon Steel
1.4 Supplementary requirements included in Specification
3. Terminology
A788/A788M may be specified by the purchaser for forgings
ordered to this specification.
3.1 Definitions: (The following terminology is unique to the
Rail Road industry)
1.5 The values stated in either inch-pound units or SI
3.1.1 multi-wear wheel, n—wheel that has sufficient metal
(metric) units are to be regarded separately as the standard.
in the rim for more than two turnings before it must be
Within the text and tables, the SI units are shown in brackets.
replaced.
The values stated in each system are not exact equivalents;
therefore,eachsystemmustbeusedindependentlyoftheother.
Combining values from the two systems may result in noncon-
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
formance with the specification.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3
Available from the Society ofAutomotive Engineers, Inc., 400 Commonwealth
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Drive, Warrendale, PA 15096.
4
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
A01.06 on Steel Forgings and Billets. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Current edition approved March 1, 2008. Published March 2008. Originally
5
approved in 1964 to replace A57 and A186. Last previous edition approved in 2007 Available fromAssociation ofAmerican Railroads, 50 “F” St.,Washington, DC
as A504/A504M – 07. DOI: 10.1520/A0504_A0504M-08. 20001.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
A504/A504M−08
3.1.2 one wear wheel, n—wheel that has only sufficient 4.2.5 Alternate magnetic particle acceptance criteria
metal for the tread to be worn once to condemnable worn (15.2.3.2),
hollow condition. 4.2.6 Intended service (see Section 1), and
3.1.2.1 Discussion—There is insufficient metal remaining in 4.2.7 Supplementary requirements from Specification
the rim to allow tur
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:A 504/A 504M–07 Designation: A 504/A 504M – 08
Standard Specification for
1
Wrought Carbon Steel Wheels
This standard is issued under the fixed designationA504/A504M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
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:
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/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
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.
2. Referenced Documents
2
2.1 ASTM Standards:
A 275/A 275M Practice for Magnetic Particle Examination of Steel Forgings
A 388/A 388M Practice for Ultrasonic Examination of Heavy Steel Forgings
A 788/A 788M Specification for Steel Forgings, General Requirements
3
2.2 SAE Documents:
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
2.3 Military Standard:
4
MIL-S-13165B Shot Peening of Metal Parts
2.4 AAR Standard:
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.06
on Steel Forgings and Billets.
Current edition approved March 1, 2007.2008. Published March 2007.2008. Originally approved in 1964 to replace A 57 and A 186. Last previous edition approved in
e1
20042007 as A504/A504M–04 .A 504/A 504M – 07.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from the Society of Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.
4
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
A 504/A 504M – 08
5
AAR M-107/M-208 Wheels, Carbon Steel
3. Terminology
3.1 Definitions: (The following terminology is unique to the Rail Road industry)
3.1.1 multi-wear wheel, n—wheel that has sufficient metal in the rim for more than two turnings before it must be replaced.
3.1.2 one wear wheel, n—wheel that has only sufficient metal for the tread to be worn once to condemnable worn hollow
c
...
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