Risk Ranking Of Cracking Failures Of Duplex Stainless Steel (DSS) REACs In Hydroprocessing Equipment – An Update

Introduction This is an update to our previous blog on cracking of refinery hydroprocessing REACs made of duplex stainless steel:  View Original Post 2205 DSS (UNS S31803 or S32205) has been used in refinery hydroprocessing unit reactor effluent air coolers (REACs) since the mid 1980’s (1).  2205 was selected due to its good resistance to ammonium […]

Continue Reading

Risk Assessment of Refinery Hydroprocessing Unit Reactor Effluent Air Coolers (REACs) Made of Duplex Stainless Steel (DSS)

Cracking of REAC Duplex Stainless Steel Failures of Refinery Hydroprocessing Unit REACs made of 2205 DSS have in some cases resulted in significant plant damage and extended outages for repairs.  In a few  cases, header box welds have ruptured.  Additionally, failures have occurred at tube-to-tubesheet welds and in REAC inlet and outlet piping made of […]

Continue Reading
Let Becht Turn Your Problem
Into Peace of Mind