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post #1 of Old 04-24-2013 Thread Starter
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Chain manufacturers

I'm in the process of buying new anchor chain. There is a significant difference between the price of "off brand" (presumably Chinese) and ACCO, US made chain. I am planning to buy the ACCO because I don't really trust chain from who-knows-where. Chinese companies that would put formaldehyde in baby formula would have no problem putting cheap alloys in chain. Something you depend on as much as anchor chain has to be 100% as specified. Am I being too wary?

Alberg 35: With a philosophical flourish Cato throws himself upon his sword; I quietly take to the ship.
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post #2 of Old 04-24-2013
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Re: Chain manufacturers

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Originally Posted by smurphny View Post
I'm in the process of buying new anchor chain. There is a significant difference between the price of "off brand" (presumably Chinese) and ACCO, US made chain. I am planning to buy the ACCO because I don't really trust chain from who-knows-where. Chinese companies that would put formaldehyde in baby formula would have no problem putting cheap alloys in chain. Something you depend on as much as anchor chain has to be 100% as specified. Am I being too wary?
No
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post #3 of Old 04-24-2013
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Re: Chain manufacturers

Here's a few views of the subject

Yachting Monthly anchor chain test | Yachting Monthly


The full results are in Yachting Monthy.

A general discussion on anchor chain.
Facts About Anchor Chain Strength and Grades

A series of articles/links on anchors and anchoring
Anchors and Anchoring
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post #4 of Old 04-24-2013
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Re: Chain manufacturers

I only buy ACCO.
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post #5 of Old 04-24-2013 Thread Starter
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Re: Chain manufacturers

Acco it is. Don't think I'd be able to sleep well wondering about an unknown brand. One thing to be careful of is that when navigating the West Marine website, they show ACCO chain but when you go to the G4 page, what you get is West Marine brand chain, maybe NOT ACCO. I almost made the mistake of buying it before going elsewhere. Quite misleading.

Alberg 35: With a philosophical flourish Cato throws himself upon his sword; I quietly take to the ship.
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post #6 of Old 04-24-2013
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Re: Chain manufacturers

How likely is it that the chain will be stressed to its working load? 500 or 1000 pounds is a lot of force. Do larger yachts regularly pull on the anchor that much?
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post #7 of Old 04-24-2013 Thread Starter
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Re: Chain manufacturers

My boat displaces around 13000#. Thinking about how much force can be applied when that amount of weight reaches one end of a swing in a 40 knot wind and gets yanked back the other way... well...it's a LOT of force. In Nigel Calder's Cruising Handbook, he has some pretty startling recommendations on chain sizing and the forces that can occur on anchor rodes. There is also some controversy on whether shock loads are more damaging to hardened chain than to "bendable" softer chain. I am using 3/8" G4 and wouldn't go below that. It's also large enough to get a good grip on when hauling in by hand. (my back hurts just thinking about it:-).

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Last edited by smurphny; 04-24-2013 at 09:05 PM.
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post #8 of Old 04-25-2013
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Re: Chain manufacturers

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Originally Posted by smurphny View Post
Acco it is. Don't think I'd be able to sleep well wondering about an unknown brand. One thing to be careful of is that when navigating the West Marine website, they show ACCO chain but when you go to the G4 page, what you get is West Marine brand chain, maybe NOT ACCO. I almost made the mistake of buying it before going elsewhere. Quite misleading.
I experienced the same thing with West Marine, so I got up and went to the store and had a look for myself. It seemed to me that it was all West Marine brand.

I ended up ordering my chain from Defender. Shipping wasn't that bad. It was delivered in a large plastic bucket.
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post #9 of Old 04-25-2013 Thread Starter
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Re: Chain manufacturers

That's exactly what I did. It cost me 50 bucks to ship a 100# pail. My plan is to replace in 64' ("pail") increments, using double clevis connectors. http://www.drillspot.com/products/42..._Double_Clevis I don't have a windlass, so the clevis connectors should not be a problem. This way, I can replace chain on a regular basis, keeping it relatively new and rust-free rather than waiting until 200' is leaving rust stains all over everything.

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Last edited by smurphny; 04-25-2013 at 07:31 AM. Reason: link
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post #10 of Old 04-25-2013
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Re: Chain manufacturers

?How do you know your shackles are of equal strength as your chain?

s/v Hippocampus
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