Alum boat for Saltwater

[JDd]

I guess the thousands of aluminum crew boats, supply boats and yachts aren't a good indicator of how well aluminum withstands saltwater.

[Ray]

Originally Posted by JDd

I guess the thousands of aluminum crew boats, supply boats and yachts aren't a good indicator of how well aluminum withstands saltwater.

They are thicker and every 5 years, they are UT'ed to make sure there isn't catastrophic metal loss below the waterline. They have to make sure they float long enough to pay themselves off.