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  1. Mmagan

    Piping for sea water: Duplex 2205 vs 316L

    Interesting stuff, but at 8", we would need an afwul lot of pipes to have a decent lead loss, I'm afraid. We are thinking about 36" or 48" (if feasable) pipes! We even had a proposal to make a tunnel-like piping in concrete, with an impermeabilization sheet. I can't find any freely available...
  2. Mmagan

    Piping for sea water: Duplex 2205 vs 316L

    Well, the consequences in case of failure is essentially having to stop the whole plant, since this is the whole point of the facility is to use seawater to store energy. Also, I don't think the local environment authorities would be terribly happy about spilling seawater... As I said, the...
  3. Mmagan

    Piping for sea water: Duplex 2205 vs 316L

    I do not see why we couldn't have the pipe full of water while we are stopped. I will ask to my mates if they see any problem, but even if we couldn't, I do not see that as a huge problem, the pipe has over 500m height difference between extremes so it is not as if the water line is going to be...
  4. Mmagan

    Piping for sea water: Duplex 2205 vs 316L

    Not at 60 bar...Sorry, I forgot that detail [blush]
  5. Mmagan

    Piping for sea water: Duplex 2205 vs 316L

    Thanks for you replys. @strider6: Actually I had already seen that article, and noticed that they test at least at 30ºC, significantly higher than what we can expect. Nevertheless it is an interesting article, but I don't think the cost of the superduplex steel is assumible. @EdStainless: Yes...
  6. Mmagan

    Piping for sea water: Duplex 2205 vs 316L

    Hi all. We are currently designing some piping to convey sea water. At first I thought 316L would be OK, but after reading a dozen of articles, it seems there are mixed experiences with it. I am currently considering Duplex 2205, but I would like to know a couple of things: 1) Is it much more...

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