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ASTM A 551/A 551M Document Information:
Title
Standard Specification for Carbon Steel Tires for Railway and Rapid Transit Applications
ASTM International
Publication Date:
Mar 1, 2008
Scope:
This specification covers seven classes of carbon steel tires
for railway and rapid transit use.
Class A—For untreated driving tires for locomotives in passenger
service.
Class AHT—For heat-treated driving tires for locomotives in
passenger service.
Class B—For untreated driving tires for freight locomotives and
tires for locomotive-truck, tender-truck, trailer and car wheels,
and miscellaneous service.
Class BHT—For heat-treated driving tires for freight locomotives
and tires for trailer wheels.
Class C—For untreated tires for switching locomotives.
Class CHT—For heat-treated driving tires and switching
locomotives and tires for locomotive-trucks, tender-trucks, trailer
and car wheels, and miscellaneous service.
Class 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.
Supplementary requirements, including those in the general
requirements of Specification A 788/A 788M, are provided for use
when additional testing or inspection is desired. These shall apply
only when specified individually by the purchaser in the order.
The values stated in either inch-pound or SI (metric) units are
to be regarded separately as standards.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.
Unless the order specifies the applicable "M" specification
designation, the tires shall be furnished to the inch-pound
units.
Keywords:
- forged wheel tires
- locomotive tires
- rail applications
- rail car tires
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