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Old 25-09-2015, 14:30   #16
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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Originally Posted by leftbrainstuff View Post
I have some alps 316 wire I'm testing that I managed to achieve test results for. Plan to to replace the rigging on our Liberty 458 in 2016.

As for 304 showing rust in the tropics but not 316 that is only anecdotal. Rust on 304 or 316 is due to something ferrous based on or in the surface of the wire. A contaminant of some sort.
To be clear, Alps doesn't make wire - they distribute wire made by KOS in Korea. Please post your test results. Rigging Only tests each lot of their KOS wire independently and will share the results.

The difference in resistance to corrosion from salt water is not anecdotal. 316 is specifically formulated to address this very issue. I can show you rusty 304 on our boat that has never seen any type of ferrous contaminant. Even passivating 304 will still show rust after time in a tropical saltwater environment.

Rust is ferrous-based on the surface, but that ferrous is part of the metal itself - no need for external contaminants.

Mark
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Old 25-09-2015, 16:10   #17
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

lol I hope VW do not do any testing
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Old 25-09-2015, 16:32   #18
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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My 48' cutter is rigged with Norseman terminals and 1X19 wire, half 7/16" and half 3/8" in diameter. I'm 58 years old, and I want wire that will last as long as possible going forward. Any advice on brands to avoid, or the best type to buy? I would rather spend more for very good wire than purchase "bargain" wire and watch it corrode or fail. Thanks for any advice, tips, links etc.
If you want something better than regular 1x19 , try Dyform, its a bit stronger , 1x19 dyform got a gain aprox of 2 tons in Breaking strength v regular1x19 in almost all the sizes.
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Old 25-09-2015, 16:35   #19
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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Isn't nitronic used in rod rigging?

Mark
Yes Sir, that it is. And from what I understand, it's metallurgical properties rule out it's being used in rigging wire. Otherwise we'd have seen it used for rigging wire, as it's far strong & more corrosion resistant than the other alloys of stainless being discussed in this thread.

Regarding the properties, & strengths of the various alloys in wuestion, you can start (finding info on them) at www.Matweb.com

Also, yes, RiggingOnly does have test certificates on file for each batch of wire that they recieve.
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Old 25-09-2015, 16:37   #20
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

From personal experience, Chinese stainless is the worst crap. I used some to make a wire topping lift and it rusted to crap in a few months.
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Old 25-09-2015, 16:49   #21
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

Is DyForm still available. My very experienced rigger does not think so.
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Old 25-09-2015, 17:27   #22
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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Originally Posted by colemj View Post
Yes, Alps sells KOS wire from Korea, which is excellent. 304 is ~10% stronger, but will show rust in the tropics.

Mark
Mark... Have you actually seen 304 stainless rigging that was rusting.. I'm just wondering as I have been testing 304 and 18.8 stainless and I cannot get it to rust. I even soaked a few bolts in warm salt water for a month and they didn't show any signs of rust.

Not sure why my results are different. Maybe the 304 stainless is better quality up here. The fasteners I've been testing are all from the oil industry, maybe that has something to do with it.

I also have a few 304 bolts on my boat that have created rust streaks, but they don't look rusted.
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Old 25-09-2015, 17:50   #23
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

always thought the swaged fittings are the weak spot....and do riggers prestretch like ive seen in aviation...and chlorines a killer....just my 2 cts
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Old 25-09-2015, 17:54   #24
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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Is DyForm still available. My very experienced rigger does not think so.
Dyform is available, no idea why your rigger cant supply Dyform....
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Old 25-09-2015, 19:29   #25
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

There is a Dyform vendor just south of you at Ft. Lauderdale. If in the budget, Dyform is great. I have only had it on one boat, but prefer it to rod and standard 1x19 rigging.

https://www.ropeinc.com/cat-wire-rope.html
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Old 25-09-2015, 21:48   #26
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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Mark... Have you actually seen 304 stainless rigging that was rusting..

..

I also have a few 304 bolts on my boat that have created rust streaks, but they don't look rusted.
Yes, I have seen much rusty 304 rigging wire, but I don't know the providence of it.

Rust streaks from 304 are due to the piece itself. On a bolt, that might result in rust steaks on the surrounding fiberglass, but on rigging wire it would result in propagated streaks down the wire - which would look like rusting wire (which it is).

If you are using passivated or polished 304 or 18-8, then these will retain much resistant to rusting for longer times. Try scratching one and seeing how it handles conditions.

Also, I don't think soaking in salt water is as harsh as living in salt spray. The latter presents much more concentrated attack and localized chemical conditions.

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Old 25-09-2015, 22:21   #27
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

Following post

I want to rig a structural furler.

Headstay will rotate with furler.

So I am wanting top shelf wire and swages.

Bob
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Old 25-09-2015, 23:20   #28
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

I would be debating whether to use galvanized or synthetic. I currently have synthetic for 5 years now, no problems, no rust, doesn't weaken with working etc.. The bronze hanks have minimal effect and chafe is not a concern. Much less weight aloft which makes the boat sail better. The disadvantage I can see is that it is more expensive than galvanized cable. From what I know either material can last 50 years or more, and it is clearly visible when it should be replaced.

I have met a lot of people who lost their mast or nearly so because they used stainless which is truly the incorrect material for rigging.
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Old 26-09-2015, 07:02   #29
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

Thanks for all the tips and leads, everybody!
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Old 26-09-2015, 08:14   #30
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Re: Re-Rigging: What is best 1X19 wire brand/manufacturer?

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Originally Posted by boat_alexandra View Post
I would be debating whether to use galvanized or synthetic. I currently have synthetic for 5 years now, no problems, no rust, doesn't weaken with working etc.. The bronze hanks have minimal effect and chafe is not a concern. Much less weight aloft which makes the boat sail better. The disadvantage I can see is that it is more expensive than galvanized cable. From what I know either material can last 50 years or more, and it is clearly visible when it should be replaced.

I have met a lot of people who lost their mast or nearly so because they used stainless which is truly the incorrect material for rigging.
UHMWPE fibers like Dyneema are affected by UV radiation and ozone. I have seen no hard data on how quickly they degrade, but I have seen some statements implying that they should be replaced after as little as one year in a high insolation environment.
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