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Subject: Welding of clad carbon steel
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Date: 10/28/03 at 12:02 PM
Posted by: Luis Marques
We are going to replace a column in A516Gr 60 to be clad with TP 304L on top between tray 2 and 3 and from tray 11 to the bottom. The previous column was not clad and it was PWHT because it works in AMINE service.
For the new column does the PWHT affect the cladding producing tensions cracking potential on the clad? And what about the PWHT required on A516Gr 60 plates by the amine service?
An answer should be appreciated
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