Quote: (Originally Posted by
Meng_Tze)
Galvanic corrosion does happen yes, but will it corrode through the material (Al)? In 200 years maybe (or whatever big number, point is; not in our lifetime under normal diving circumstances). It is not pretty on tanks or the meg can, but not a mechanical problem. If you want to make sure it does not happen, put a barrier between the dissimilar metals.
Not through .... but it does not require much corrosion for a cylinder to fail the visual inspection that goes along with a hydro test. I don't have access to the British Standard for dive cylinder inspections... anyone in the business able to recall how much of a wormhole will result in failure of the cylinder?
Steve