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ASTM A3-01(2012)

Historical Reaffirmation

Standard Specification for Steel Joint Bars, Low, Medium, and High Carbon (Non-Heat-Treated)

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1.1 This specification covers steel joint bars for connecting steel rails in mine, industrial, and standard railroad track.

1.2 Three grades of joint bars are defined for applications where non-heat treated bars are suitable:

1.2.1 Grade 1, low-carbon, primarily for industrial and mine use.

1.2.2 Grade 2, medium-carbon, primarily for industrial and mine use.

1.2.3 Grade 3, high-carbon, for general use in standard railroad track. They may be used in the production of insulated track joints.

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.


This specification covers steel joint bars of low-carbon, medium-carbon, and high-carbon grades (Grades 1, 2, and 3) for railway applications. Steel shall be made through basic-oxygen or electric-furnace processes and cast through continuous process or in ingots. An analysis of each heat or cast shall be made to determine the percentage compositions of carbon, manganese, phosphorus, and sulfur. Tension test shall also be made to conform to specified tensile strength and elongation values. Guidelines on the dimensions and physical variations of joint bars are given. Inspection, rejection, rehearing, certification, and product marking procedures are cited.


SDO ASTM: ASTM International
Document Number A3
Publication Date March 1, 2012
Language en - English
Page Count 3
Revision Level 01(2012)
Supercedes
Committee A01.01
Publish Date Document Id Type View
April 10, 2001 A0003-01 Revision
March 1, 2019 A0003-01R19 Reaffirmation
March 1, 2012 A0003-01R12 Reaffirmation
March 1, 2006 A0003-01R06 Reaffirmation
April 10, 2001 A0003-87R95 Reaffirmation