[TheForge] Sorry to break in with a blacksmithing question

[David E. Smucker]

I would and have, see my other post.  The dies used on the Big Blu, are all 
S7 and heat treated.  S7 is a 3.5 percent chrome, while H13 is 5 percent. 
S7 is tougher and therefore makes a little better die, but I not sure you 
can tell the difference from H13.  I of course would be happy with 4140 or 
4340 for hammer dies.

On reason to heat treat the H13 is that it treats the weld area as well as 
the working surface of the die.

Most likely as per Dan's experience you can also get away with just welding 
them up.

Dave
----- Original Message ----- 
From: "Dan Tull" <dantull at numail.org>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Saturday, June 18, 2005 5:48 PM
Subject: Re: [TheForge] Sorry to break in with a blacksmithing question


> Phil,
> I would NOT harden hot work tools.
> Remember H-13 is air harden.
>
>
> ----- Original Message ----- 
> From: "Phil" <mobjak at yahoo.com>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Saturday, June 18, 2005 4:31 PM
> Subject: [TheForge] Sorry to break in with a blacksmithing question
>
> I can't remember what I did before when attaching the
> dies to the mounting plates for a kinyon hammer.  I'm
> using H-13 for the dies.
>
> Should I weld the dies to the mounting plates, and
> then harden and temper them, or harden and temper the
> dies, and then weld them to the mounting plates?
>
> Once again, sorry for breaking in with a blacksmithing question.
>
>
>
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