Inspectioneering

Ralph E. King P.E.: About the Author
Senior Staff Consultant, Stress Engineering Services Inc.


Ralph E. King P.E.

Ralph E. King is a 35-year experienced mechanical engineer with a broad range of technical experiences. Mr. King has extensive experience in evaluating equipment for auto-refrigeration and brittle fracture potential utilizing API-579 / ASME FFS-1 methodologies coupled with subject focused process hazards analysis (PHA) methods. His current responsibilities include providing staff technical support for the SES Plant Services Division which includes reliability engineering, equipment fitness-for-service evaluations, fixed equipment design, selection and evaluation, leading process hazards evaluations and incident investigations.

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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
By Dr. Kannan Subramanian, Ph. D., P.E. at Stress Engineering Services Inc., John Norris, P.E. at Stress Engineering Services, Ralph E. King P.E. at Stress Engineering Services Inc., and Daniel Ayewah, P.E. at Stress Engineering Services Inc.

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.

Piping Vibration Assessments
July/August 2016 Inspectioneering Journal
By Jacob Manuel, P.E. at Stress Engineering Services, Inc., and Ralph E. King P.E. at Stress Engineering Services Inc.

An overview of process piping vibration and evaluating piping systems in vibration service to reduce harmful vibrations.

High Temperature Hydrogen Attack (HTHA): Life Assessment Methods for Carbon Steel and Carbon 0.50% Mo Materials
November/December 2015 Inspectioneering Journal
By Ralph E. King P.E. at Stress Engineering Services Inc., and Brian Olson at Stress Engineering Services Inc.

To ensure the mechanical integrity and fitness-for-service (FFS) of equipment, facility managers, reliability engineers, and inspection technicians must understand the HTHA damage mechanism.

March/April 2014 Inspectioneering Journal
By Bobby Wright, P.E. at Stress Engineering Services, and Ralph E. King P.E. at Stress Engineering Services Inc.

Recently, Inspectioneering Journal sat down with Stress Engineering’s Bobby Wright and Ralph King to discuss how companies can better transfer and preserve industry knowledge.

Auto-Refrigeration / Brittle Fracture Prevention And Process Safety Mitigation
November/December 2013 Inspectioneering Journal
By Ralph E. King P.E. at Stress Engineering Services Inc.

Auto-refrigeration is a process where an unintentional and/or uncontrolled phase change of a hydrocarbon from a liquid state to a vapor occurs, resulting in a very rapid chilling (refrigeration) of the liquid containing local equipment and/or piping. This phenomenon can result in a catastrophic ‘break-before-leak’ scenario commonly referred to as brittle fracture.


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