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post #1 of 5 Old 11-25-2005 Thread Starter
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anchor rust

Hi All,

We have a 35# CQR anchor which is rusting along the edges. Advice?
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post #2 of 5 Old 11-25-2005
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anchor rust

If the rust is surface rust I would forget it for now, but keep an eye on it. If you feel rust is attacking he integrity of the anchor, then it is ime to get a new anchor. Your peace of mind is the ultimate test. If you think the anchor is compromised you should replace it.
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post #3 of 5 Old 11-26-2005
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anchor rust

Rust is accelerated because of exposure to oxygen. (Think of the Titanic still there in its low-oxygen environment.) Leaving the anchor under water should reduce the rust problem. Rust on an anchor set on the bottom some 20'' down is also much more difficult to see. The action of setting it may actually scrape off some of the rust as well. If your anchor is rusting from non-use, you could also paint it. I painted our (unused so far) spare anchor with Rustoleum and have had it stored below for five years now without any problems. Other solutions might be to have the anchor re-galvanized or (even prettier!) chromed. Stainless steel anchors can be prone to getting bent, and a bent anchor looks a lot worse than a rusty one, IMHO.
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post #4 of 5 Old 11-26-2005
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anchor rust

you can also ''blue'' the exposed areas with blueing compounds, boiling in hot water, or simply swabbing on phosphoric acid (Ospho, etc) to change the red ferric rust to black/blue ferrous rust. Ferrous rust is a protectant.
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post #5 of 5 Old 12-15-2005
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anchor rust

[or simply swabbing on phosphoric acid (Ospho, etc)]

I don''d belive it would be enough!..

The only cure should be a new hot dip galvanisation.. all other receipes are only loose of time and money..
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