ASTM A183

This specification covers carbon steel track bolts and carbon steel nuts for use in conjunction with joint bars to connect rails in railroad track. The required chemical composition for steel is presented in details. The full section and the reduced-section bolt tension tests requirements are specified as per reference materials.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers carbon steel track bolts and carbon steel nuts for use in conjunction with joint bars to connect rails in railroad track.

1.2 Two grades of track bolts are defined:

1.2.1 Grade 1, Low-Carbon, Untreatedprimarily for industrial and mine track use.

1.2.2 Grade 2, Heat-Treatedfor general track use.

1.3 Two grades of nuts are defined:

1.3.1 Grade 1, Low-Carbonor Soft Steel, primarily for application on Grade 1 track bolts.

1.3.2 Grade 2, Medium-Carbonfor general application on track bolts.

1.4 The values stated in inch-pound units are to be regarded as the standard.

2. Referenced Documents

F606 Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, and Rivets
American Railway Engineering and Maintenance-of-Way Association Manual, Design of Track Bolts and Nuts, Chapter 4, Part 1
B1.1 Unified Screw Threads
B18.10 Track Bolts and Nuts

Index Terms

fasteners-steel; rails; railway applications; steel bolting materials; steel rails; track bolts and nuts; ICS Number Code 21.060.10

Citing ASTM Standards

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