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Investigation of Platformer Reactor Nozzle Cracking

Product Number: MPWT19-15243

Author: Pranav Agrawal, Abdulla Ali Juma

Publication Date: 2019

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This paper details with the unexpected cracking encountered in the outlet nozzles of all three reactors for Platformer unit, during a scheduled shutdown. The unit was commissioned in 1957 and the reactors metallurgy is as per withdrawn ASTM standard, A301 Gr. B (1Cr-1/2Mo). The isolated cracks were located at the upstream edge of the inset nozzle and running vertically down. The cracking in the high-pressure fixed bed reactor outlet nozzles was successfully repaired in-situ. This paper reviews the circumstances which led to these failures and highlights the lessons learned from each failure.

Products tagged with 'thermal cycles'

Investigation of Platformer Reactor Nozzle Cracking

Association for Materials Protection and Performance