From: nospam@needed.invalid   
      
   On Tue, 5/20/2025 8:12 AM, John Hasler wrote:   
   >  "Carlos E. R." writes:   
   >> Helium should also diffuse easily, no? But hydrogen reacts, helium   
   >> doesn't.   
   >   
   > Low temperature hydrogen embrittlement primarily affects high strength   
   > or hardened steels.  It does not affect aluminum and copper.   
   >   
      
   It wouldn't be my first choice of gases.   
      
   Likely to be cheaper though.   
      
   The people at the plant wouldn't like that.   
   Too much excitement.   
      
      Paul   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)