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ASTM
A49-12(2019)
Standard Specification for Heat-Treated Carbon Steel Joint Bars, Microalloyed Joint Bars, and Forged Carbon Steel Compromise Joint Bars
2019
4
ASTM Vol.01.04 (2022)
This specification covers heat-treated carbon steel joint bars, microalloyed joint bars, and forged compromise joint bars for general use in standard railroad track.
The joint bars may be used for the production of insulated joints.
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