"sleeve of abt"

Question:

"We are supposed to make a sleev of abt 1.5" in dia and 10" in length. This sleev is used as a housing for electronics cct. abt depth of abt 1000 mtr in sea. The sleev should obviuosly withstand the pressure should be leak proof and we should be able to take it out and repair the ccts and put it back in the sea for further use. The sleeve also has wires coming out at both ends and these should also be leak proof."

Answer:

Regarding your sleeve for seawater application, I would be hesitate to use 304SS, based on its limited resistance to chloride pitting in seawater. I suggest consideration of a higher alloyed material. Several alloys that you can consider include the "super austenitic" stainless steels, i.e., AL6XN, 254 SMO or similar. Alloy 625 may be an overkill; however, it is very resistant to seawaters.

 

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