Re: cast iron

Ya just gotta love this list!

I asked the stress relief/ aging questions on a "casting" list, but
the best responses have been here. They are a "quieter" list, so
maybe they will add something to this. If so, I'll mention it.

Thank you Jay H! (also the others who have responded)

Ballendo

> Jay Hayes wrote:
> I set up heat treat furnaces for foundries. The heat profile for
> cast iron can differ greatly depending on the type of cast iron,
> its thickness and geometry. <snip>