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Description / Abstract:
This specification covers steel joint bars for connecting steel
rails in mine, industrial, and standard railroad track.
Three grades of joint bars are defined for applications where
non-heat treated bars are suitable:
Grade 1, low-carbon, primarily for industrial and mine use.
Grade 2, medium-carbon, primarily for industrial and mine
use.
Grade 3, high-carbon, for general use in standard railroad
track. They may be used in the production of insulated track
joints.
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.