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

Details

• Creators:
  McKeighan, Peter C
• Corporate Creators:
  Southwest Research Institute
• Corporate Contributors:
  John A. Volpe National Transportation Systems Center (U.S.) ; Foster-Miller, Inc.
• 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
• 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
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/9899/dot_9899_DS1.pdf
• File Type:
  [PDF - 30.34 MB]
• Collection(s):
  Volpe Center
• Main Document Checksum:
  urn:sha256:283531a03cfe14fa598f5ee4f07231322a06c1036d63b1ad40c05e366902edf5