Chainplates- are these still o.k.? - SailNet Community
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post #1 of 21 Old 03-14-2012 Thread Starter
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Chainplates- are these still o.k.?

I took the upper shroud chainplates off my '71 Cat 22. It is clear that the eyebolts on all the shrouds have been leaking and I am in the process of replacing them. My question is whether I can still use the old chainplates or if they need to be replaced. Below are some pics. the first are taken right after I removed them. The next are pics of the worst one after I used some steel wool and a steel brush on it. It cleaned up really nicely, but I am concerned that I just made some cosmetic improvements and that they may still be subject to corrosion I can't see. Thanks for any help.

Chainplates- are these still o.k.?-dscn1186.jpg

Chainplates- are these still o.k.?-dscn1188.jpg

Chainplates- are these still o.k.?-dscn1190.jpg

Chainplates- are these still o.k.?-dscn1191.jpg

Chainplates- are these still o.k.?-dscn1192.jpg
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post #2 of 21 Old 03-14-2012
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Re: Chainplates- are these still o.k.?

In my opinion, No.
Don't get me wrong, I can't tell from your pictures if they have defects. But my point is that you've gone to the trouble to remove them. They were obviously old enough and corroded enough to cause you to be concerned about them. And lastly, they don't cost that much.
Replace them and sleep better at night.
Chainplates are perhaps the most important component of your standing rigging. Don't guess. Replace them.
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post #3 of 21 Old 03-14-2012
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Re: Chainplates- are these still o.k.?

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Re: Chainplates- are these still o.k.?
NO.


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post #4 of 21 Old 03-14-2012
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Re: Chainplates- are these still o.k.?

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the worst one after I used some steel wool and a steel brush on it. It cleaned up really nicely, but I am concerned that I just made some cosmetic improvements and that they may still be subject to corrosion I can't see.


This was ment to be a joke right?
I know someone would not use steel wool and a steel brush on stainless steel?
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post #5 of 21 Old 03-14-2012 Thread Starter
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Re: Chainplates- are these still o.k.?

Thanks for your help! I will replace them.
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post #6 of 21 Old 03-14-2012 Thread Starter
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Re: Chainplates- are these still o.k.?

Ben- I am a complete noob so I don't get the problem with using steel wool on stainless. Can you enlighten me? That will surely save me some embarrassment and problems in the future.
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Re: Chainplates- are these still o.k.?

Anytime you use steel wool on a a boat you are adding small bits of steel to the chainplate or whatever you are polishing. If done on the boat the deck as well. These will rust very quickly leaving spots everywhere. Bronze wool is used sometimes and for polishing stainless there are varying grades of Scotchbrite available, to be done by hand or as pads for an angle grinder.

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Re: Chainplates- are these still o.k.?

I did this with the chainplates off the boat. But in any event will be replacing them per the advice above. So I guess it really isn't a problem of steel on stainless but a problem of using steel wool on anything and the corresponding rust. Is that right? If so, I get it. I thought there was some issue in particular with using steel wool on stainless. Thanks for the heads up!
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Re: Chainplates- are these still o.k.?

The steel wool will also imbed microscopic bits of steel into the stainless that can cause discoloration and rust spots. One reason why stainless is polished without steel wool and electro-polished after the item is made.

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post #10 of 21 Old 03-15-2012 Thread Starter
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Re: Chainplates- are these still o.k.?

Ah got it. thanks for the heads up.
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