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June 20, 2007
The purpose of this project was to determine chemical and metallurgical characteristics of the DOT-3-AA seamless steel cylinder with a pin hole leak on the sidewall, initial point of fracture, and possible cause of leak.
Key Words: cycling test, hydrostatic, chemical...
Mar 13, 1993
The main purpose of this technical evaluation was to determine the cause of the SCBA aluminum liner hoop-wrapped fiber glass cylinder failure in Coram, NY
Key Words: hoop wrapped fiber glass, rupture, aluminium liner, SLC, sustain load crack, aluminum
If you have...
Aug 22, 2008
The objective of this research and development (R&D) project is to develop a nondestructive examination (NDE) that will be used to determine the quantitative capability of two pre-selected NDE techniques [acoustic emission and thermography examinations (AE/TE)], by...
November 28, 2017PHMSA has issued a Corrective Action Order (CAO) to TransCanada that requires the operator to conduct additional testing to identify and address any threats to the integrity of the pipeline system following the Nov. 16, 2017 release of crude oil from the Keystone pipeline near...
The following is a list of Research Projects and Technical Reports. Each report contains a brief description of the contents, a list of key words related to the content, and a link to the PDF.
The Technical Reports are shown in the following table. Title...
March 21, 2017
This project was initiated by PHMSA, Hazardous Materials Engineering and Research Division to determine the root/cause of rupture of an oxygen cylinder on April 2014 and resulted in a personal injury. The project was focused on advanced analysis of the cylinder valve. The...
November 1, 2002
Summary of technical evaluation and comparison for the the UN Model Regulations pertaining to design, operation, inspection and requalification of gas cylinders
Key Words: UN model regulations, cylinders, UN cylinders
If you have any technical questions not...
If you have any technical questions not addressed by this or associated documents, contact Mark Toughiry, 202-366-4545.