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ASTM A551/A551M-08(2023)
Standard Specification for Carbon Steel Tires for Railway and Rapid Transit Applications
Name übersetzen
NORM herausgegeben am 15.3.2023
Informationen über die Norm:
Bezeichnung normen: ASTM A551/A551M-08(2023)
Ausgabedatum normen: 15.3.2023
SKU: NS-1140789
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM A551/A551M-08(2023) :
This specification details the standard requirements for carbon steel tires for railway and rapid transit applications. The seven classes of steel tires covered here are: Class A-untreated driving tires for locomotives in passenger service; Class AHT-heat-treated driving tires for locomotives in passenger service; Class B-untreated driving tires for freight locomotives and tires for locomotive-truck, tender-truck, trailer and car wheels and miscellaneous service; Class BHT-heat-treated driving tires for freight locomotives and tires for trailer service; Class C-untreated tires for switching locomotives; Class CHT-heat-treated driving tires and switching locomotives and tires for locomotive-trucks, tender-trucks, trailer and car wheels, and miscellaneous service; and Class DHT-heat-treated driving tires for locomotives with light braking conditions, heavily loaded trailer tires, and rapid transit wheels where off-tread brakes are employed. Tires shall be tested and conform to required chemical composition and Brinell hardness values. Reheat treatment and retests may be done if any of the tires fail to meet the specified property values.
Keywords:
forged wheel tires, locomotive tires, rail applications, rail car tires,, ICS Number Code 45.040 (Materials and components for railway engineering)
Ergänzende Informationen
| 1. Scope | ||||||
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1.1?This specification covers seven classes of carbon steel tires for railway and rapid transit use. 1.1.1?Class AFor untreated driving tires for locomotives in passenger service. 1.1.2?Class AHTFor heat-treated driving tires for locomotives in passenger service. 1.1.3?Class BFor untreated driving tires for freight locomotives and tires for locomotive-truck, tender-truck, trailer and car wheels, and miscellaneous service. 1.1.4?Class BHTFor heat-treated driving tires for freight locomotives and tires for trailer wheels. 1.1.5?Class CFor untreated tires for switching locomotives. 1.1.6?Class CHTFor heat-treated driving tires and switching locomotives and tires for locomotive-trucks, tender-trucks, trailer and car wheels, and miscellaneous service. 1.1.7?Class DHTFor heat-treated driving tires for locomotives with light braking conditions, heavily loaded trailer tires, and rapid transit wheels where off-tread brakes are employed. 1.2?Supplementary 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. 1.3?The 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. 1.4?Unless the order specifies the applicable M specification designation, the tires shall be furnished to the inch-pound units. 1.5?This 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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