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Prevent Corrosion by Design and Materials Selection – Case Study

For the design and materials selection of equipment in chemical plants the focus seems to mainly be on the “chemicals” but it is actually the water (steam) that causes corrosion issues in many cases. This paper presents two cases that demonstrate the poor design and materials selection that ended up causing severe corrosion issues. In both cases the equipment are fixed tubesheet type of heat exchangers (one is vertical and another is horizontal) and the concerned materials are mainly 300 series stainless steels. The root causes of failure in these two cases are due to poor design and non-ideal materials selection.Key words: Materials Selection Heat Exchangers Fixed Tubesheet Stress Design.PRESENTER BIOGRAPHYYouyu Lu Senior Corrosion Engineer Lloyd’s Register Energy Americas Inc.Vishal Lagad Senior Corrosion Engineer Lloyd’s Register Energy Americas Inc.Roxanna Alvarez Metallurgical Consultant Lloyd’s Register Energy Americas Inc.

Product Number: 51319-13440-SG
Author: Youyu Lu, Vishal Lagad
Publication Date: 2019
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