Galvanic series of metals in seawater

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The table shows how the various metals are been denoted noble and less noble.

  • *Ranges in acidic water, e.g. in crevices, stagnant, low velocity or poorly aerated water
  • The closer 2 metals in the table are to each other, the less prone they are to corrode
  • The further away 2 metals in the table are, the greater the risk of corrosion of the less noble (anode)
  • The higher the potential the more noble a specific material will be

    - Stainless steel AISI 304 is more noble than aluminum
    - Stainless steel AISI 316 is more noble than AISI 304
    - Titanium of any grade is more noble than AISI 316