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  • ASTM
    A49-12 Standard Specification for Heat-Treated Carbon Steel Joint Bars, Microalloyed Joint Bars, and Forged Carbon Steel Compromise Joint Bars (Redline)
    Edition: 2012
    $62.40
    Unlimited Users per year

Description of ASTM-A49 2012

ASTM A49 - 12

Standard Specification for Heat-Treated Carbon Steel Joint Bars, Microalloyed Joint Bars, and Forged Carbon Steel Compromise Joint Bars

Active Standard ASTM A49 | Developed by Subcommittee: A01.01

Book of Standards Volume: 01.04




ASTM A49

Abstract

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.

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 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 the standard. The values given in parentheses are for information only.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for

A370 Test Methods and Definitions for Mechanical Testing of Steel Products

A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment


Keywords

joint bars; rails; railway applications; steel rails ; Carbon steel bars/shapes--specifications; Joint steel bars--specifications; Microalloy steel--specifications; Rail steel bars


ICS Code

ICS Number Code 77.140.60 (Steel bars and rods)


DOI: 10.1520/A0049-12

ASTM International is a member of CrossRef.

ASTM A49

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ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.
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