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Galvanic Corrosion

Galvanic Corrosion

Galvanic Corrosion

Hi all,

We have API 6A high pressure Gate Valve cladded with Inco 625 internal cladding. Seat pocket and Gate material is SS 316. My question is “ are we oaky to use Inco 625 and SS 316 combination in galvanic corrosion point of view ? Any localized corrosion? Service medium is Water. Water is tested and it is free from chorines. Our concern is on galvanic corrosion between S316 & Inco 625 when service medium is water (free from chlorides).


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