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Re: [T3] Stretching valve stems?


Jim Adney wrote:

>I don't know what the effects of these elements might be on steel, but I can't 
>help wondering why sodium was chosen for this application.
>
>  
>
Liquid sodium is used to cool nuclear reactors (particularly on
submarines) because it has excellent heat transfer properties. It also
pumps well, and has a nice, high boiling point. Sodium also doesn't have
much inclination to bond to other metals. Just don't expose it to
anything towards the right side of the periodic table...

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