ASTM-A1 Standard Specification for Carbon Steel Tee Rails

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This specification deals with carbon steel tee rails for use in railway track, including export and industrial applications. Rails shall be furnished by as-rolling, head hardening, or fully heat treatment processes. Hydrogen content shall be measured either during the continuous casting process or during ingot teeming. The rails shall conform to the chemical requirements for carbon, manganese, phosphorus, sulfur, and silicon. Rail soundness shall be evaluated by macroetch testing for both ingot and continuously cast steel. The rails shall conform to the Brinell hardness test requirements for standard carbon rails and high-strength rails.




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1.1 This specification covers carbon steel tee rails of nominal weights of 60 lb/yd (29.8 kg/m) and over for use in railway track, including export and industrial applications.

1.2 Supplementary requirements S1 and S2 shall apply only when specified by the purchaser in the order.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 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.


rails; railway applications; steel rails;; ICS Number Code 77.140.70 (Steel profiles)

To find similar documents by ASTM Volume:

01.04 (Steel--Structural, Reinforcing, Pressure Vessel, Railway)

To find similar documents by classification:

77.140.70 (Steel profiles Including sections)

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Document Number


Revision Level

2000 R18 EDITION



Modification Type


Publication Date

March 1, 2018

Document Type


Page Count

7 pages

Committee Number