Dear Limesh,
I understand that complete CS material is consumed due to corrosion and only cladded ss316 thk is remaining.
Usually thk of clad is not considered to contribute either partailly or fully to design thk requiremnent.
Clad portion thk is only from process point of view
So I would suggest patch work to be done in that area
Regards
Sachin
On Sun, 25 Jul 2010 13:34:44 +0530 wrote
>Dear All,
One of my friend need advise on the following issue,
We have a cladded vessel at our plant containing low pressure
corrosive service. While in operation the external shell of carbon
steel got corroded due to leakage from sight glass; total damaged area
is like 2 feet by 3 feet. Now the situation is that the cladded
material SS 316 is exposed. The thickness of cladded plate is barely
equal to the pressure design thickness. We want to seek advise on the
repair of the same. Should we go for the repair and if yes what should
be the procedure?
Thanks and Regards,
Limesh
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