Subject: Re: Relative temperatures of gasses]
From: dwilkins@northernnet.com (Don Wilkins)
Date: Jul 08 1996
Newsgroups: rec.crafts.metalworking

On Sun, 07 Jul 1996 23:58:58 -0700, Jack <myzr@ldl.net> wrote:

>Doug Ayen wrote:
>>
>>I have a friend who sants to know (for some unspeakable purpose, no doubt)
>>what the relative temperatures of oxy-propane, oxy-acetylne, and the like
>>are. That is, he wants to know what temperature they burn at for your
>>standard fittings, working pressures, and that sort of thing. 
>
>...Oxy-Propane:  About 2600-2800F, IIRC, hot enough to cut steel but 
>*not* hot enough to weld it..
>
>...Oxy- Acetylene:  6300F..said to be the "hottest flame known to man"

Perhaps said but not correct. Nitrous oxide-acetylene is substantially
hotter. The cost suggests that it is not particularly useful for
cutting torches but of considerable importance to chemists who are
looking for higher flame temperatures.