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Thread: Lum-Tec 500 M the plot thickens!

          
   
  1. 08-02-2010, 04:54 AM #21
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    Quote Originally Posted by Ray Knight View Post
    Tungsten would not take the pressure like steel! Tungsten needs an internal steel liner inside to mount all external components (tube, caseback, sapphire,bezel) so just stainless steel is much more ideal for a diver.
    Yep I worked with tungsten for many years on industrial blades. Hard but brittle as hell.

    It's a classic trade off. The harder something is the more brittle it is.
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  2. 08-02-2010, 01:53 PM #22
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    Quote Originally Posted by Ray Knight View Post
    No sir! We know what we need to do to make a watch hold pressure but how much is the question. We rated these as 500M only. Thinking safe here I think it will break at 3000M (sapphire). That's my official guess.
    Can you describe the test? Is it a static test?
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  3. 08-02-2010, 03:29 PM #23
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    My guess: 3025. But more curious as to "what" will fail first.
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  4. 08-02-2010, 09:22 PM #24
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    4650...
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  5. 08-03-2010, 09:31 PM #25
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    To meet iso standards,it has to pass a 25% over pressure test
    regardless.
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  6. 08-03-2010, 09:40 PM #26
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    2,250M
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  7. 08-04-2010, 06:48 AM #27
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    6,212 meters
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  8. 08-07-2010, 06:22 PM #28
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    What the heck...lets see..2254
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  9. 08-08-2010, 04:22 PM #29
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    1 dollar. Oops wrong game.

    I say 2,550 meters.
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