[TheForge] Suggestions needed for scroungeable steel

Wed Nov 19 14:24:01 2003

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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