Mechanical Properties of Tank Car Steels Retired from the Fleet [Report]

McKeighan, Peter C; Southwest Research Institute

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Mechanical Properties of Tank Car Steels Retired from the Fleet [Report]

2008-08-31
By McKeighan, Peter C

[PDF-30.34 MB]

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English

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Creators:

McKeighan, Peter C
Corporate Creators:

Southwest Research Institute
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; Foster-Miller, Inc.

John A. Volpe National Transportation Systems Center (U.S.) ; Foster-Miller, Inc. Less -
Subject/TRT Terms:

[+]

Railroad Cars Railroad Safety Specifications Structural Analysis Structural Materials Structural Steel Tank Cars
Publication/ Report Number:

SwRI Project No. 18.12240 ; DDTD.060183.000.801

SwRI Project No. 18.12240 ; DDTD.060183.000.801 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Southwest Research Institute
Abstract:

As a consequence of several recent tank car accidents, the structural integrity of railroad tank cars has come under greater scrutiny, especially the older portion of the fleet fabricated prior to steel normalization requirements. The purpose of this program was to obtain samples of the steel used for tank car shell and head fabrication in the current tank car fleet. Once obtained, the dynamic fracture toughness of a subset of material was determined as well as basic material characterization of all samples. The process of gathering the samples required coordinating with the fleet operators and railroads to obtain pieces of tank cars as they were retired from the fleet. In total, steel samples from 34 tank cars were received and tested. The vast majority of the TC128-B samples extracted from retired tank cars met current TC128-B material specifications.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

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urn:sha256:283531a03cfe14fa598f5ee4f07231322a06c1036d63b1ad40c05e366902edf5
Download URL:

https://rosap.ntl.bts.gov/view/dot/9899/dot_9899_DS1.pdf
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Mechanical Properties of Tank Car Steels Retired from the Fleet [Report]

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