<VV> Re: Pot metal

John jdozsa@carr.org
Mon, 07 Jun 2004 09:40:07 -0400


It's Zinc Alloy SAE-903 specification.  Also known as Zamac 3. Mostly Zn

ALLOY Zamac No. 3 Zinc Specifications (Percentages):
 
Al 3.5 to 4.3
Mg 0.02 to 0.05
Cu 0.25 max.
Fe 0.1 max.
Cd 0.004 max.
Si 0.003 max.
Zn Remainder

John Dozsa

> From: "srmarti" <srmarti@netzero.net>
> To: <virtualvairs@corvair.org>
> Date: Sun, 6 Jun 2004 23:31:35 -0400
> Subject: <VV> RE: Pot metal
> 
> > pot metal is a tin based alloy with lead, copper and nickle added as the
> > alloying ingredients.  the alloying ingredients change quite abit between
> > manufactures and it is often not know what they are.  most pot metal made
> > recently contains no lead.  older pot metals often contain lots of lead
> > and will seriously contaminate a small metal shop and make you
> > silver melt
> > in pits when soldering and cause the surface of the silver to flake off.
> >
> > Sally
> >
> 
> Thought it was mainly a Zinc alloy.  Common for die castings.
> 
> Steve Marti