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Managing Refractory Degradation and Hotspots in Cold-Walled Equipment

Aug 26, 2024

Authors: Seetha Ramudu Kummari, Ph.D., P.E., Consulting Engineer I; Dan McArthur, Ph.D., P.Eng., Senior Engineer II; Kevin Haley, P.E., Group Head, Consulting Engineer I

Refractory linings are used to protect pressure vessels and piping components from hot process conditions but can degrade over time, leading to hotspots, creep damage, and potential failure. In this article, the authors discuss the benefits of conducting periodic inspection programs to manage refractory degradation and share an example to highlight the importance of detecting permanent material damage caused by creep or creep-fatigue.

Proactive FFS: Advantages of Brittle Fracture Screening on Piping and Vessels

Jan 31, 2023

Authors: Brian Macejko, P.E. and Stephanie Dux

Proactively conducting brittle fracture assessments on higher-risk pressure equipment and piping, even if it was built relatively recently, will help prevent unexpected failures. This article identifies the three components that drive susceptibility to brittle fracture and includes two case studies to help demonstrate the benefits of using a fracture mechanics-based approach.

Establishing Fracture Mechanics Based on Minimum Allowable Temperatures for Low-Temperature Applications of ASME B31.3

Oct 28, 2021

Authors: Seetha Ramudu Kummari, Ph.D., P.E.; Kraig S. Shipley, P.E.

Although rare, the consequences of brittle fracture are typically catastrophic, and preventing brittle fracture is essential when establishing fixed equipment life-cycle management strategies. This article discusses E²G’s proprietary Level 1 and Level 2 procedures for establishing minimum allowable temperatures (MATs) for low-temperature applications of ASME B31.3 piping.

Fitness-for-Service for Aboveground Storage Tanks

Jul 27, 2021

Author: Katelyn J. Gustoff

This article explores applying the API 579-1/ASME FFS-1 (API 579) FFS standard to aboveground storage tanks and shares several case studies to illustrate how FFS techniques can help you make informed run-repair-replace decisions for a facility’s storage tanks.

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Equity is committed to safety and reliability. Our specialized consulting services, technology, training, and corporate standards are dedicated to your safety and success. Using our technology-forward mindset, we solve complex industrial asset integrity issues and improve plant performance. Our practical and actionable solutions help you manage risk, control costs, and maximize equipment lifecycle.

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