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Coupling CS flange with super SS ring joint / Galvanic corrosion likelihood 1

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ENPMAT

Materials
Joined
Jun 27, 2012
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9
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DZ
Dear All,
Can anyone inform if galvanic corrosion could take place when coupling CS RTJ Flanges with super austenitic SS (904 L) ring joints in sea water environment ?

Regards
 
Yes, and the corrosion of the CS is all that will keep the 904L from corroding.
It is not a seawater suitable alloy.

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Plymouth Tube
 
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