Inspectioneering

John Brear: About the Author
ERA Technology Ltd.

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Published Articles

May/June 1997 Inspectioneering Journal
By John Brear at ERA Technology Ltd., John Williamson at ERA Technology Ltd., and Bobby Wright, P.E. at Stress Engineering Services

Reformer catalyst tubes are commonly manufactured from high strength, creep and corrosion resistant alloys. They are relatively thick walled and are usually produced by centrifugal casting. Their lives are limited by creep, driven by a combination of internal pressure and through-wall thermal stresses generated by operational transients. The typical composition for alloys for reforming service is 25/20 Cr/Ni with the generic reference HK40.


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