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Seahuff
05-11-2013, 01:37 PM
Hi all,
Want to add (by welding) some extra aluminium rod holders to the gunwhales of my plate tinny.
Have found a few different brands of "cast" aluminium ones that look the goods.
What I am wondering: can galvanic reaction occur between different grades of aluminium
eg: the plate of the boat and whatever the composition of the grade of aluminium casting is?
Can I weld straight on or do I need a barrier product ?