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Porsche Titanium Lug Nuts for air-cooled cars

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Old 02-01-2016, 03:35 PM
  #16  
Meatball964
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Would love to hear the answers to the above.
I had basically the same questions....
Old 02-01-2016, 04:21 PM
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mpruden
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FYI - I believe some of these questions, and many others were answered in this thread back in December: https://rennlist.com/forums/993-foru...-lug-nuts.html
Old 02-01-2016, 05:53 PM
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ppressle
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The other thread claims they use type 5 Ti. I found this tidbit on the web from another lug bolt manufacturer:

"Grade 5 Titanium has 94% the yield strength of a metric Grade 10.9 steel fastener and is over 43% lighter."

If true, that says they are almost as strong as steel lug nuts (are they 10.9?) and 60% of the weight. It seems to imply no air tools unless you want them looking ratty in short order.

The main benefit from the other thread is corrosion resistance.

Pete

Last edited by ppressle; 02-02-2016 at 05:19 PM.
Old 02-01-2016, 06:20 PM
  #19  
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Originally Posted by ppressle
The other thread claims they use type 5 Ti. I found this tit bit on the web from another lug bolt manufacturer:

"Grade 5 Titanium has 94% the yield strength of a metric Grade 10.9 steel fastener and is over 43% lighter."

If true, that says they are almost as strong as steel lug nuts (are they 10.9?) and 60% of the weight. It seems to imply no air tools unless you want them looking ratty in short order.

The main benefit from the other thread is corrosion resistance.

Pete
I am not a metallurgist by any means but this is from information that is publicly available.

Tensile strength of steel compared to Ti-

Steel (API 5L X65) which is similar to what the factory lug bolts are made from is- Yield (250 MPa) and Ultimate Strength (400 MPa).

Titanium Alloy (6% Al, 4% V) which is basically a grade 5 titanium is- Yield (830MPa) and Ultimate Strength of (900MPa)
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Old 02-01-2016, 10:46 PM
  #20  
rlme36
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Best of luck with the new product. I just don't see any advantage going this route, what's the delta in weight a pound at best vs. steel?
Old 02-01-2016, 11:26 PM
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Cactus
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Originally Posted by rlme36
Best of luck with the new product. I just don't see any advantage going this route, what's the delta in weight a pound at best vs. steel?
You are missing the point. It's titanium
Old 02-02-2016, 12:00 PM
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Originally Posted by rlme36
Best of luck with the new product. I just don't see any advantage going this route, what's the delta in weight a pound at best vs. steel?
Originally Posted by Cactus
You are missing the point. It's titanium
I think the number one reason why people want titanium lugs is because they do not corrode and the look does not change with them over time. The second reason is the weight.

The number 1 reason people purchase them from us is because of the price. The second reason is because we ship them for free and have them in stock and the third reason is because we have a no questions asked money back warranty on our products.
Old 02-02-2016, 12:24 PM
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OverBoosted28
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Tried looking at the website, but couldn't find any info.
Where are these made, country of origin?
Old 02-02-2016, 12:53 PM
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badabing
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In for black
Old 02-02-2016, 01:01 PM
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Originally Posted by OverBoosted28
Tried looking at the website, but couldn't find any info.
Where are these made, country of origin?
Sorry about that, I will add that info. They are made using grade 5 (4AL 6V) titanium alloy.

We make these nuts ourselves. We are located in Southern California in Torrance. We are located at the Toyota Motor Company USA campus by the Lexus corporate headquarters.
Old 02-02-2016, 01:31 PM
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993AerCooler
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Thanks for this. Just what I was looking for to compliment my recently refurbed hollow spoke turbo twists. Old nuts had been letting it down. Order in!
Old 02-02-2016, 01:39 PM
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cobalt
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I am assuming you are machining these from bar stock? Do you perform any form of Nitriding or Oxidizing on them after the machining?
Old 02-02-2016, 01:51 PM
  #28  
DiegoR
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Default Porsche Titanium Lug Nuts for air-cooled cars

I'm in for a set of "cap" nuts when they are available in black.
Old 02-02-2016, 04:23 PM
  #29  
Jlbarnett
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I'd be interested in a set of black closed style as well. I'm running the AL ones on the track but I don't really want steel ones
Old 02-02-2016, 07:43 PM
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Why no black anodize like aluminum and is a normal titanium availability? Retired engineer who has speced it.


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