On Fri, 6 Feb 2004 12:11:05 -0500, "Backlash"
wrote:

===Roy, I do a lot of emergency machining and repair work, and have found that
===if air-hardening A2 tool steel is used, an even heat to glowing red from a
===torch, air cooling, followed by a tempering with the torch works just fine.
===Scale is buffed off, beadblasted, or left as is. I have a foot-powered
===turntable to apply the heat as evenly as possible by spinning the part
===slowly while heating. I probably do a hundred or more small parts a year
===like this with great success.
===
===RJ

I do not have a O/A torch and would prefer to have a self contained
oven if possible. Besides it gives me something else to play with and
work on to keep me from getting bored. I just have these urges to make
things. YOu know how it is ;-)

Regards

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