• Author Index
• Dr. Kannan Subramanian, Ph. D., P.E.

Dr. Kannan Subramanian, Ph. D., P.E.: About the Author
Senior Associate, Stress Engineering Services Inc.

Dr. Subramanian practices in the areas of stress analysis, fatigue, and fracture mechanics on pressure containing systems such as pressure vessels and piping. For over 16 years, Dr. Subramanian has served the petrochemical, refining, and utility industries by performing fitness-for-service assessments, pressure vessel designs, inspections, fabrication support, and piping & support designs. Dr. Subramanian is a member of the ASME Subgroup on Fracture Toughness (Sections II, VIII), and a member of the Subgroup on High Pressure Vessels (Section VIII Division 3) and holds a Professional Engineer License.

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Published Articles

Developing a Fitness for Service Approach for Reduced Toughness Carbon Steel Piping, Flanges & Fittings

May/June 2018 Inspectioneering Journal

There is concern in the industry over recent findings of reduced toughness fittings and flanges at risk of brittle fracture. This article provides an overview; possible contributors; measures taken to address; and a proposed FFS approach to address the issue.

Authors: Dr. Kannan Subramanian, Ph. D., P.E., John Norris, P.E., Ralph E. King P.E., Daniel Ayewah, P.E.