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Discussion Starter #1
I am looking at photos of a boat that has my interest. The chain plates come down over nice looking wood paneled bulkheads, then the lower half of the bulkhead is painted. The chain plate is painted to match, stainless against wood, and white paint against white paint. Now this does look nice and neat, but would paint increase the chances of crevice corrosion? I would think the paint would bubble if there was much active corrosion going on, but wouldn't it promote it by blocking the oxygen from getting to the stainless steel? The boat is a 1969 so they likely will need to be replaced, but I am wondering. I think I would prefer the look of bare stainless anyway so to check them out I would likely pull them, clean them and thoroughly passivate and polish them and leave them bright. Just wondering if there life has been sacrificed in the name of style.
 

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If the chain plate is that long... probably the bottom half is redundant anyway?? How many bolts through the bulkhead all told?
 

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Discussion Starter #3
there are 7 bolts, and I actually described it backwards, it is the top part that is painted (matching the white upper portion of the chain plate. Now looking at a few more photos there is one that is painted for most of it's length. I wish it was not so cold, perhaps a trip this weekend after the Turkey tryptophan has worn off.
 

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It is the section of chainplate that is buried in the deck and not visible that is at risk. What is below deck and painted should not be a problem.
 

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paint on stainless is not a problem. you can only have corrosion if water is on the stainless and it can not dry out. if there is paint on the stainless and it is dry then no corrosion.
 

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Discussion Starter #8
It is the section of chainplate that is buried in the deck and not visible that is at risk. What is below deck and painted should not be a problem.
paint on stainless is not a problem. you can only have corrosion if water is on the stainless and it can not dry out. if there is paint on the stainless and it is dry then no corrosion.
Well that is good to know, though I think it looks a bit cheesy. Nice and shiny looks much better.
 

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Well that is good to know, though I think it looks a bit cheesy. Nice and shiny looks much better.
I would want it shiny as well. If you buy and pull them it can be removed and whether you replace or re-install they can be electropolished.
 
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