Need your opinion on below
Equipment
Columns
Design Code
ASME SEC VIII Div.1
Process
High Wet H2S service(NACE)
Wet Amine service
Very Toxic
Lethal(ASME SEC VIII, UW-2)
Metallurgy/Thk
Base Metal MOC=SA516 Gr.70
Thk=8mm
Clad MOC=SS316L
Clad thk=3mm
Problem
Is PWHT mandatory for clad vessel for above process condition?
For lethal service is PWHT not mandatory for clad vessel as per Table UCS56.1 Note (e)
Regards
Sachin Sankhe
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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