[TheForge] Suggestions needed for scroungeable steel

Wed Nov 19 18:03:00 2003

Hey Dave,
It sounds as though you haven't used GSQ, or haven't used it correctly.
GSQ works with any steel 1018 up. Works fine with A36.
I suspect it will work on 1008 slightly, but I haven't tried it.
It will harden any simple steel with carbon in it.
It wont work on W/I
I routinely use it to harden 1030 rail road spike knives.
My anvils are 1340 and I harden them in GSQ to RC50.
If you use it properly GSQ works quite well.
Make sure that you stir the GSQ and thoroughly agitate the metal being
quenched ,  or you will get vapor lock, and the metal won't harden properly.
If the metal doesn't scream and vibrate vigorously for several seconds it
hasn't hardened.
DON'T use it on steels above 1045. Try it with 1095 and you will wish you
hadn't.
I use a 55 gallon drum of it and replace it after about  1 to 1 1/2 years.
Depending on use.
Don't dick with Robs formula, the substitute chemicals like jet dry
surfactants don't work as well.
Chuck
----- Original Message -----
From: "David E. Smucker" <[email protected]>
To: <[email protected]>
Sent: Wednesday, November 19, 2003 3:07 PM
Subject: Re: [TheForge] Suggestions needed for scroungeable steel


> No Chuck it would not! Super Quench is not magic just a fast quench.  To
do
> the job the steel has to have the carbon content.  Hey you know that.
Might
> work with 1045, but 1060 would be better.  1080 would be great.  4140 or
> other alloy steels could also do the job, but not mild steel, even the
evil
> A 36.
>
> Dave Smucker
> ----- Original Message -----
> From: "Chuck Robinson" <[email protected]>
> To: <[email protected]>
> Sent: Wednesday, November 19, 2003 2:20 PM
> Subject: Re: [TheForge] Suggestions needed for scroungeable steel
>
>
> > You can heat treat mild steel in Gunthers super quench, and it should be
> > hard enough for your application.
> > Chuck
> > ----- Original Message -----
> > From: "Bruce Freeman" <[email protected]>
> > To: <[email protected]>
> > Sent: Wednesday, November 19, 2003 7:43 AM
> > Subject: Re: [TheForge] Suggestions needed for scroungeable steel
> >
> >
> > > Pete,
> > > This particular TH will be quite simple.  The ram face IS the hammer
> > > face.  No upper tooling.  Hence it needs to be hard enough not to
> > > mushroom when it strikes a tool.  I expect to harden and temper it
like
> > > an ordinary hammer face.
> > > Bruce
> > > NJ
> > >
> > > >>> [email protected] 11/18/2003 11:33:20 PM >>>
> > >
> > > Bruce:
> > > I'd respectfully argue that a hard face on a treadle hammer is not
> > > desirable. A softer face will "stick" to a struck tool allowing
greater
> > >
> > > latitude in alignment. With a hard face, more struck tools go flying
to
> > >
> > > mysterious locations where they hide for years.    Pete F
> > >
> > > Bruce Freeman wrote:
> > >
> > > >I'm designing another treadle hammer, a lightweight job.  I want the
> > > ram
> > > >to be 20#.  What would be ideal is square or roundstock of about 2
> > > >sq.in. in cross-section (i.e., 2" square or 2.25" round) and about
> > > 18"
> > > >long.
> > > >
> > > >Ideally, the material would be suitable for use as a hammer, with
> > > >ordinary hardening & tempering.  Exotic materials not needed, but
> > > mild
> > > >steel wouldn't be appropriate unless faced with tool steel (a
> > > >possibility I'd prefer to avoid).
> > > >
> > > >Since I prefer to design in scroungeable materials, I could use some
> > > >suggestions as to sources of such steel.  The truck axles I've seen
> > > are
> > > >of smaller diameter than this (though I've seen tractors with axles
> > > of
> > > >3" dia.).  Track pins seem to be shorter than this - like 8" or so.
> > > >Anyone have any other suggestions - preferably of materials you'd
> > > have
> > > >no particular trouble scrounging yourself?
> > > >
> > > >Thanks in advance,
> > > >
> > > >Bruce
> > > >NJ
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
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