ASTM A 551/A551M : 2008 : R2023
Current
The latest, up-to-date edition.
Standard Specification for Carbon Steel Tires for Railway and Rapid Transit Applications
Hardcopy , PDF
English
17-04-2023
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
A 01
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| DocumentType |
Standard
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| Pages |
4
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| PublisherName |
American Society for Testing and Materials
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| Status |
Current
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| Supersedes |
1.1This specification covers seven classes of carbon steel tires for railway and rapid transit use.
1.1.1Class A—For untreated driving tires for locomotives in passenger service.
1.1.2Class AHT—For heat-treated driving tires for locomotives in passenger service.
1.1.3Class B—For untreated driving tires for freight locomotives and tires for locomotive-truck, tender-truck, trailer and car wheels, and miscellaneous service.
1.1.4Class BHT—For heat-treated driving tires for freight locomotives and tires for trailer wheels.
1.1.5Class C—For untreated tires for switching locomotives.
1.1.6Class CHT—For heat-treated driving tires and switching locomotives and tires for locomotive-trucks, tender-trucks, trailer and car wheels, and miscellaneous service.
1.1.7Class DHT—For heat-treated driving tires for locomotives with light braking conditions, heavily loaded trailer tires, and rapid transit wheels where off-tread brakes are employed.
1.2Supplementary requirements, including those in the general requirements of Specification A788/A788M, are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.
1.3The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text and tables the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.
1.4Unless the order specifies the applicable “M” specification designation, the tires shall be furnished to the inch-pound units.
1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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