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Re: was: Chassis rustproofing/frame weight

To: Peter Long <Peter.Long@ecologic.ca>
Subject: Re: was: Chassis rustproofing/frame weight
From: "Patrick J. Horne" <horne@cs.utexas.edu>
Date: Thu, 16 May 2002 08:54:29 -0500 (CDT)
Pete,

Take another look at the original post, it indicated 450 C,not 4500 C!
A bit of a difference.

Peace,
Pat



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On Thu, 16 May 2002, Peter Long wrote:

> Sel,
>
> I would get the opinion of a metallurgist regarding the 4500 C heating
> of the frame required to do the galvanizing - 4500 C equates to 8420 F,
> which is approaching the annealing temperature of some alloys.  Simply
> put, that temperature might be enough to alter the temper of the steel
> used in the frame, either making it stiffer and more brittle - and more
> prone to cracking - or softer and more flexible - making the chassis
> less resistant of the torsional forces imposed by the suspension.
> Either way is undesirable, depending on extent.
>
> There may not be a problem with that temperature, but you definitely
> want to be sure!
>
> Pete Long
>
> > -----Original Message-----
> > From: Sel_Aganovic@hettich.com.au [mailto:Sel_Aganovic@hettich.com.au]
> > Sent: Wednesday, May 15, 2002 9:36 PM
> > To: datsun-roadsters@autox.team.net
> > Subject: RE: Chassis rustproofing/frame weight
> >
> >
> > Hi Listers,
> >
> > I decided to hot dip galvanise my chassis. I found a company
> > near by that
> > can accommodate the chassis in one go, and they charge $2.50 per kg..
> >
> > The questions I have, is how much does the "bare" chassis
> > weigh ? My guess
> > is about 150 kg ?!
> >
> > Has anyone galvanised their chassis before ?
> >
> > Would there be any problems with heat affecting the
> > frame/welds, since they
> > use about 450 degrees Centigrade in their baths ?
> >
> > Thanks in advance....
> >
> > Sel
> >
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