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Helium diffusion through metals

  1. Oct 11, 2007 #1
    Will Helium diffusion through stainless steel at 250 Deg C and approx 700 psi Delta P present any practical problem?
  2. jcsd
  3. Oct 11, 2007 #2


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    It would if you're trying to maintain an ultra high vacuum system or to confine the gas at high temperature.

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