[Fot] crankshaft steel

[marty]

OK, along these lines.  I need a Section of a broken spitfire crank for a
"special" :) project. Does not matter what engine. If you have one in your
junk pile and are going to VTR in September or the 2015 Kastner Cup toss it in
your trailer.



Marty


> From: ablake2 at austin.rr.com
> Date: Wed, 30 Jul 2014 10:09:38 -0500
> To: johnstydo at gmail.com
> CC: fot at autox.team.net
> Subject: Re: [Fot] TR4 crankshaft steel type
>
> John,
>
> I can send you three partially destructed examples for destructive testing.
>
> Might be the reason there is not an EN16 crank in my race engine.
>
> Let me know,
>
> Greg
>
> > On Jul 30, 2014, at 9:26 AM, John Styduhar <johnstydo at gmail.com> wrote:
> >
> > Thanks Duncan and Greg. Unfortunately, the English alloy code EN-16 was
not
> > helpful in describing the type of steel in the TR4 crankshaft to the
> > metallurgy folks at P&L Heat Treating and Grinding in Youngstown, OH.
They
> > explained that the type of steel determines the duration and depth of the
> > hardening process. Lacking this information, they cannot determine the
> > depth of hardness without destructive testing.
> >
> >
> > On Wed, Jul 30, 2014 at 9:50 AM, Duncan Charlton <
> > duncan.charlton54 at gmail.com> wrote:
> >
> >> Greg Solow's reply from November 2010:
> >>
> >>> The TR-2 through TR-4 crank is made of a Manganese Steel alloy. The
> >> English alloy code is forged right on the crank. It is EN-16. The alloy
> can
> >> be looked up in the "Machinists Handbook"...The EN-16 alloy has enough
> good
> >> ingredients so that it benefits dramatically from being Nitride treated
in
> >> an ammonia atmosphere.<
> >>
> >> Duncan
> >> (Texas)
> >>
> >>
> >>> On 7/30/14, 8:27 AM, John Styduhar wrote:
> >>>
> >>> What type of steel is the TR4 crankshaft made from? I need to provide
> this
> >>> information to the nitriding facility. Thanks
> >>> _______________________________________________
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> >>>
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