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Search took 0.00 seconds. Search: Posts Made By: Muaddib1116
Forum: Anchoring & Mooring 09-02-2022, 09:35
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I'm certainly no expert on this type of thing, but wouldn't fatigue limits be based on load cycles that load up to some amount close to or above the SWL? In which case, anchor chains, whether...
Forum: Anchoring & Mooring 09-02-2022, 09:01
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

Depends on what you mean by empirical data. I don't know how the PREN is determined, but if it's in lab conditions or controlled environmental testing, then that's empirical, probably more...
Forum: Anchoring & Mooring 09-02-2022, 07:26
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I've watched that video a couple times, and it has some compelling information/arguments in it. I have no reason to think that it is attempting to be deceptive or that the "expert" is not an actual...
Forum: Anchoring & Mooring 09-02-2022, 05:07
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I bought my boat a year and a half ago, and it had 10mm Duplex chain on it, installed by a previous owner in 2016, I believe. I have limited personal experience with it, but it was used exclusively...
Forum: Anchoring & Mooring 04-03-2021, 15:35
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I believe this is their US office, or at least their US distributor.

https://www.cromoxus.com/

I think I communicated with Bruce.
Forum: Anchoring & Mooring 02-03-2021, 18:23
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

My chain has a few different markings on the links every meter or so. One says "Walder". I then contacted Cromox US, and they told me the easiest check is to use a magnet. 316L is only very very...
Forum: Anchoring & Mooring 02-03-2021, 16:57
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I've had some questions about SWL before, it seems that there is no standard for what it means. I have speculated that maybe ultimate breaking strength should be the number to care about more, but...
Forum: Anchoring & Mooring 02-03-2021, 16:31
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I think that as long as you keep an eye on your galvanized shackle and the last link that it's connected to, you'll probably be able to catch any dangerous corrosion. I don't see why it would have...
Forum: Anchoring & Mooring 02-03-2021, 13:09
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I think the weight savings is implying that you can go to a smaller chain size because of the higher strength. I don't think the duplex steel is itself significantly lighter than galvanized steel.
Forum: Anchoring & Mooring 02-03-2021, 07:25
Replies: 33
Views: 9,242
Posted By Muaddib1116
Re: Chromox Duplex (Stainless) chain for rode.

I'm not a metallurgist, but the boat I bought last summer has Ketten Walder 10mm Duplex (318LN) chain, so I've done a fair amount of research on it. As GordMay pointed out, Ketten Walder does sell...
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