Ingeniero

Designation: A 1 – 92

Standard Specification for

Carbon Steel Tee Rails1

This standard is issued under the fixed designation A 1; 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 editorialchange since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.

1. Scope 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 S 1 through S 3 shall apply only when specified by thepurchaser in the order. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 2. Referenced Documents 2.1 ASTM Standards: A 29/A 29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought and Cold-Finished, General Requirements for2 E 10 Test Method for Brinell Hardness of Metallic Materials3 E 127 Practice forFabricating and Checking Aluminum Alloy Ultrasonic Standard Reference Blocks4 E 428 Practice for Fabrication and Control of Steel Reference Blocks Used in Ultrasonic Inspection4 2.2 Military Standards: MIL-STD-129 Marking for Shipment and Storage5 MIL-STD-163 Steel Mill Products, Preparation for Shipment and Storage5 2.3 Federal Standard: Fed. Std. No. 123 Marking for Shipments (Civil Agencies)5 2.4American Railway Engineering Association (AREA) Manual for Railway Engineering: Specifications for Steel Rails, Chapter 4, Part 26 3. Classification of Rails 3.1 Rails that do not contain surface imperfections in such
1 This specification is under the jurisdiction of ASTM Committee A-1 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.01 on Steel Railsand Accessories. Current edition approved Dec. 15, 1992. Published April 1993. Originally published as A 1 – 01. Last previous edition A 1 – 84. 2 Annual Book of ASTM Standards, Vol 01.05. 3 Annual Book of ASTM Standards, Vol 03.01. 4 Annual Book of ASTM Standards, Vol 03.03. 5 Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700 Robbins Ave., Philadelphia, PA 19111-5094,Attn: NPODS. 6 Available from American Railway Engineering Assn., 50 F St. NW, Washington, DC 20001.

number or of such character as will, in the judgment of the purchaser, render them unfit for recognized uses, shall be accepted. 4. Ordering Information 4.1 Orders for rails under this specification shall include the following information: 4.1.1 ASTM designation and year of issue. 4.1.2 Quantity(tons or pieces as appropriate). 4.1.3 Full identification of section with dimensional drawing, if required. 4.1.4 Arrangement of drilled bolt holes, if any, with dimensional drawing, if required. 4.1.5 Quantity of right-hand and left-hand (Note 1) drilled rails, drilled both-end rails, and undrilled (blank) rails desired. 4.1.6 Supplementary requirements that shall apply (see S 1 through S 3). 4.1.7Disposition of various classifications of rails (see 9.4.6 and 9.4.7).
NOTE 1—The right-hand or left-hand end of the rail is determined by facing the side of the rail on which the brand (raised characters) appears.

5. Materials and Manufacture 5.1 Melting Practice—The steel shall be made by any of the following processes: open-hearth, basic-oxygen, or electricfurnace. 5.1.1 The steel shall becast by a continuous process, in hot-topped ingots, or by other methods agreed upon by the purchaser and the manufacturer. 5.2 Discard—Sufficient discard shall be taken from the bloom or ingot to ensure freedom from injurious segregation and pipe. 5.3 Hydrogen Elimination: 5.3.1 Applicability: 5.3.1.1 Rails 60 through 70 lb/yd (29.8 through 34.8 kg/m) are not subject to treatment for hydrogen...