Thanks for all responses. The Heat exchanger, built in 1993 has been constructed in Duplex with superduplex bundle. The former exchanger (in duty from 1963 – 1993) was made of SS316 and caused a lot of problems. At the end of its life-time, the bundle was made of SAF2207.
Something about the...
Hello,
I am senior plant engineer in a chemical industry and like some help with following issue: A SAF2205 (duplex) FH-heatexchanger with SAF2507 (superduplex) tubes (76 pieces) and pipeplates (baffleplates, tierods etc are Duplex), already showes eroded/corroded pipes after 2 years in...