Stainless Rust Prevention - SailNet Community
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post #1 of 12 Old 07-13-2012 Thread Starter
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Stainless Rust Prevention

Some time ago a product called Spotless Stainless Steel was being touted here as the do all fix all for stainless. If you have used it, tell us about your experience with it. I don't mind cleaning and polishing the stainless, but every week? Sure would be nice to find something that would keep the stainless shining for a couple of months here in the hot, humid south.
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post #2 of 12 Old 07-13-2012
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Re: Stainless Rust Prevention

Switch to polished titanium?

What I have found works the best is a multi-step cleaning followed by regular maintenance.

First perform a really good cleaning, using a quality stainless cleaner. Make sure it doesn't have any chlorine, or bleach in it as these can cause almost immediate rusting. The goal here is to get it as clean as possible for the next step.

Make a weak solution of citric acid and distiller water. The citric acid can be acquired from most culinary stores, or pharmacies. You are looking for pure citric acid. Apply this solution to the metal, to help passify the surface. This helps prevent future corrosion, and will slow rust down in the future. Finish with a thorough wash with fresh water. You want to remove all residue from the surface.

Finally a high quality wax to provide shine and protect the steel.

The one problem with this method is that if you have older stainless it might be unrecoverable. Over time the chromium gets depleted, and can't provide the protection to the steel that it did when new. I have heard of having parts electropolished to remove some metal, but have no experience with it.

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Re: Stainless Rust Prevention

So Greg, whay haven't the titanium people come up with pulpits and stancions in titanium. It is, after all one of the most prevalent metals out there. And think how strong they could be and the weight savings they would offer.
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post #4 of 12 Old 07-13-2012
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Re: Stainless Rust Prevention

I've used Spotless Stainless for a few years now and it really does work well. A coat of polish when it's clean helps too.
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Re: Stainless Rust Prevention

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So Greg, whay haven't the titanium people come up with pulpits and stancions in titanium. It is, after all one of the most prevalent metals out there. And think how strong they could be and the weight savings they would offer.
CCRider,

We do sell titanium pulpits and stantions. Figure you will cut the weight in half regardless of titanium grade, and increase the yeild strength by between a 1/3 ( for CP2), to five times (grade 5).

Since titanium is immune to corrosion in the marine environment, issues with rust, and pitting are pretty much a thing of the past.

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Re: Stainless Rust Prevention

What kind of polish do you recommend and how do you apply it? Dremel?

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Re: Stainless Rust Prevention

I hit the big stuff with NevrDull. Cleans well and it seems to have a wax or something to it. Not sure about it though. Easy to apply and work particularly well on minor oxidation.


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Re: Stainless Rust Prevention

If the stainless is so far gone it needs mechanical polishing I would remove it and have it electropolished. Otherwise just a good hand polishing to make it shine. Trying to do it mechanically is certainly possible, but trying to polish tubing with a buffer, or dremel will be incredibly difficult to get an even polish on. It can be done, but takes a lot of work, and typically requires removing the part anyway.

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post #9 of 12 Old 07-13-2012
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Re: Stainless Rust Prevention

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so greg, whay haven't the titanium people come up with pulpits and stancions in titanium. It is, after all one of the most prevalent metals out there. And think how strong they could be and the weight savings they would offer.
cost!
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Re: Stainless Rust Prevention

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cost!
That used to be true. Not so much anymore.

A 24"x1" two hole 316 stantion from defender has a list price of $99. With a discounted price of $65.

Our comperable (the actual measurements are in metric, so I rounded).

24"x1" grade 9 stantion, plus top cap would be $76 and some change. Of course if you order a boats worth, our price will likely come down. So figure about 10% more than 316 but they will never suffer from crevice corrosion like stainless does, and are significantly stronger.

Grade 9 has a yeild strength of just under 90,000psi, vs 316 stainless at Just under 35,000psi. But will also weigh half as much. For an extra $5 I can also change out the top cap for a roller cap to help reduce chaff on the jib as it comes across.

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