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Good morning lauri and MEKANIKEREN, Thank you for your input. There is indeed an inspection program for these tanks; however, some bad decisions were made. Suffice it to say that if the inspectors recommendations had been acted upon, I wouldn't be asking these questions... Have a great...

Hello MEKANIKEREN, Thank you again for your additional comments. I concur that the conditions in the tank are probably very similar to an offshore oil platform or similar structure. The interior of the tank is indeed coated; however, as the coating breaks down over time, the bare steel is...

Hello MEKANIKEREN, Thank you for your post. The information is well received. Let me give you a bit more information concerning the ballast tanks. These ballast tanks are on a US Navy amphibious ship. The tank is *sometimes* filled completely with saltwater, in which case zincs provide...

I'm looking for similar information. I am in the ship repair industry and trying to come up with a way to predict corrosion rates for a saltwater tank on a ship. The tank is sometimes filled with saltwater, in which case zincs provide protection against galvanic corrosion. Most of the time...

The ballast tanks onboard a ship experienced much more corrosion than expected when opened for inspection. Consequently, insufficient funding was in place to accomplish the repairs. I have been asked to come up with a formula to predict the corrosion rate of steel that is exposed to saltwater...