[TheForge] Quenching mild steel - Hochewa ?

Wed Sep 3 12:31:02 2003

This is one for the "Rt. Rev. Hochewa of the Church of Orthodox Metallurgy"

"There is nothing SUPER or magic about "super quench" it is just a fast
quench made to be similar to quenching in a solution of NaOH without the
high risk to person of the caustic."  I for one, wish Rob had called it
something besides "super".  I am not saying it isn't a good quench media -- 
just that there is no magic -- it is just fast, like NaOH but much safer.

By the way are you asking about 1018 or A36 hot rolled?

Dave Smucker

----- Original Message ----- 
From: "Shannell Sugrue" <[email protected]>
To: <[email protected]>
Sent: Wednesday, September 03, 2003 10:14 AM
Subject: [TheForge] Quenching mild steel

> With all the talk lately of heat treating, Ive wondered for a while about
> the details of quenching mild or 1018 steel? ie the problems with drilling
> after a quench, is this toughness? and changing the yield point of mild
> steel for tong handles etc.
>  What temps is it safe to quench below and notice no significant
difference
> to the steel? I usually go by sound once its black, if it sizzles too much
> when it hits the water I put it down for 5 more minutes. I know you cant
> really harden mild steel, although super quech seems to work well enough,
> but what properties are changable by quenching and at what temps I guess
is
> my Q?
>
>
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