Exhaust gas temp measurement

[Greg Hermann]

 I have used 304 SS 3/16"
>Type K grounded junction with good success. Inconnel stands up to
>temperature better, but moves more.  Clamp the end sticking out of the
>exhaust manifold to something or it will snap-off from vibration in a short
>time.
>
Either a 321 SS, 347 SS, or Inconel sheath will not only stand up to the
heat better, but will not be nearly as likely to crack from the vibration.
Cracking (due to intergranular corrosion) _IS_ the failure mode of 304 SS
at high temps. The vibration is not that much of a problem, even at high
temps, with the correct alloy.

Greg


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