On Apr 11, 9:46*pm, "Ed Pawlowski" wrote:
The adiabatic temperature *is actually 3596 degrees. *The fact that the
flame is that hot does not mean it will instantly melt the metal. *You have
to take in the factors for conduction, thermal mass, etc.

Also note that that is the temperature of the hottest part of the core
of the flame. Unless you have your exchanger a few millimeters from
the burner it won't experience anything like that temp. But I can't
really give you a useful approximation of what you WILL get.