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Old 18-09-2017, 05:28   #1
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rusty anchor chain reuse ?

My anchor chain is rusty.

What to consider to decide if should get it regalvanised (?) or throw away ?

Thanks,

arch
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Old 18-09-2017, 05:40   #2
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Re: rusty anchor chain reuse ?

If it slips through the gypsy because so much metal is worn off, get a new chain, otherwise it may be able to be re-galvanized.
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Old 18-09-2017, 05:49   #3
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Re: rusty anchor chain reuse ?

If it meets NACM specifications for chain thickness in-use, plus and acceptable allowance for wear for the next few years. You will need to measure both the thickness of the links (after removing all rust) at the link ends, where they bear, and the length of the links.

It is all in the specification, which you can easily Google and download.
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Old 18-09-2017, 05:50   #4
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Re: rusty anchor chain reuse ?

Make a link-by-link inspection of the chain for:

- Excessive wear. If the wear on any portion of any link exceeds the allowable wear shown on this* table remove from service.
* Chain Wear ➥ https://www.peerlesschain.com/technical-info/#4
- Twisted, bent or cut links.
- Cracks in the weld area or any portion of the link.
- Nicks or gouges.
- Stretched links.
- Severe corrosion.
- Any deformation or degradation of components.
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Old 18-09-2017, 05:54   #5
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Re: rusty anchor chain reuse ?

How do the costs of galvanizing against a new chain stack up?

Is the existing chain the right size for the boat? because now is an ideal time to change if not. Is there a windlass on board?

Are you aware of the different grades of chain like G3/G4/G7, do any of these offer an advantage to you?


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Old 18-09-2017, 06:03   #6
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Re: rusty anchor chain reuse ?

Quote:
Originally Posted by thinwater View Post
If it meets NACM specifications for chain ...
It is all in the specification, which you can easily Google and download.
http://www.fehr.com/img/product/desc...ifications.pdf
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