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Old 01-28-2020, 03:49 PM   #9
DDW
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City: San Francisco
Join Date: Apr 2018
Posts: 3,093
I'd agree that it was probably due to not using 316L for both plate and filler, and possibly too much heat used in the weld. Both will increase the probability and size of the carbide precipitation zone. "Electrolysis" would not preferentially attack the welded area without it being different.
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