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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
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STANDARD published on 1.3.2019
The information about the standard:
Designation standards: ASTM A49-12(2019)
Publication date standards: 1.3.2019
SKU: NS-939147
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM A49-12(2019) :
This specification covers heat-treated carbon steel joint bars, microalloyed joint bars, and forged compromise joint bars to be used in standard railroad track and production of insulated joints. Manufacturing of the steel shall be done either by basic-oxygen process, electric-furnace process, or both. The chemical composition of the steel joint bars shall be within the limits specified for carbon, manganese, phosphorus, and sulfur. Requirements for heat or cast analysis, product analysis, and tensile testing are detailed. Specifications for the material tensile properties such as tensile strength, yield point, yield strength, and elongation are given.
Keywords:
joint bars, rails, railway applications, steel rails,, ICS Number Code 77.140.60 (Steel bars and rods)
Additional information
| 1. Scope | ||||||||
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1.1 This specification covers heat-treated carbon steel joint bars, microalloyed joint bars, and forged compromise joint bars for general use in standard railroad track. 1.2 The joint bars may be used for the production of insulated 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. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||
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