[TheForge] Heat Treating 5160 was Welding 5160

Tue Aug 26 20:54:01 2003

Hi Chuck,
Lucky me, the friendly instructor at the nondestructive testing department
at the local Vo-tech lent me a copy.

If anyone needs some information on a specific alloy, let me know soon I
have to return it.  And if you don't mind, let me know what tool steels you
guys like best so I can make a copy of that info. before it's gone.

Thanks,

Ed

P.S.  I'm already planning on getting O1, S1, S7, H13, 5160 & 4140

----- Original Message -----
From: "Chuck Robinson" <[email protected]>
To: <[email protected]>
Sent: Tuesday, August 26, 2003 11:39 AM
Subject: Re: [TheForge] Heat Treating 5160 was Welding 5160

> Hey Dave,
> Bill's book is good, but the bible is the "HEAT TREATERS GUIDE" published
by
> ASM.
> Regards,
> Chuck
> ----- Original Message -----
> From: "David E. Smucker" <[email protected]>
> To: <[email protected]>
> Sent: Tuesday, August 26, 2003 8:22 AM
> Subject: Re: [TheForge] Heat Treating 5160 was Welding 5160
>
>
> > Grant,  Thank you for the reply and the time you put into writing it.
> Very
> > helpful in the learning process.  I had missed the point of mass, as a
> > factor in transformation time.
> >
> > For the record Bill Bryson's book is Heat Treatment, Selection and
> > Application of Tool Steels.
> >
> > Again thanks, take care and work safe,
> >
> > Dave Smucker
> >
> >
> > ----- Original Message -----
> > From: "gblacksmith" <[email protected]>
> > To: <[email protected]>
> > Sent: Tuesday, August 26, 2003 3:28 AM
> > Subject: Re: [TheForge] Heat Treating 5160 was Welding 5160
> >
> >
> > > Interested parties:  Transformation time from pearlite and ferrite to
> > > austenite is a function of the mass of the piece, rather than its
> > alloying,
> > > assuming critical temp is reached.  When critical temp is reached, the
> > > transformation begins in earnest.   Why?  the mass is the key, as the
> more
> > > thickness of material you transform, the longer it takes, just like
> > melting
> > > butter.  Which would take longer at a given melting temp, a pat or a
> whole
> > > stick?  My observations do not conform to the data attributed to Mr.
> > Bryson.
> > > I have not been able to get even very thin w-1 knife blades to fully
> > harden
> > > in five minutes at critical, as measured by pyrometer, using oil
quench.
> > >
> > SNIP  no need to repeat all of this.
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