<VV> RE: Pot metal

[srmarti]

> 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