Subject: Temp Resistant Tube

From: [email-masked] (George Dixon)
Date: Tue, 20 Feb 1996 16:40:17 -0500

Hi,
Anyone have any ideas on a square tube alloy (in 3/4" or 1" square) that is
resistant to warping in a high heat (wood fire) situation.  I am framing a
fireplace opening to carry applied chased and chiseled sheet, pierced for
tempered glass.  I would like to find a tube alloy for the frame that will
not torque or bow when set within 6" to 8" of the fire.

Also, in the same vein, is anyone familiar with:
Waspaloy, Rene 41, L-605 or Hastelloy C-X   ???  Beyond having heard them
referenced as "high temp alloys" I am in the dark.

Thanks
George Dixon

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From: Ralph Snel <[email-masked]>
Date: Wed, 21 Feb 1996 14:46:13 MET

> not torque or bow when set within 6" to 8" of the fire.
It might be overkill, but "invar" has a near zero expansion coefficient, at
least in a certain temperature range. Don't know where to get it though.

Ralph Snel
[email-masked]
Sweden