I have a question about 316 welding.A condenser ball cleaning system was installed at our facility in April 2019, the large bore circulating water piping (96”) was replaced with 2205 and doing well so far but the small bore (2”-14”) was specified by our engineers to be 316L. The welds of the 316 piping are corroding through at an alarming rate due to MIC (microbial induced corrosion). In 2 weeks after installation we saw our first hole, looks like the welds are turning into charcoal. The small bore piping is now all going to be replaced. My question is the leaks will have to be repaired in the mean while, what welding wire compatible with 316L would give the best corrosion resistance to MIC.
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