Grumpy wrote:
I think you'll find that a cutting torch won't work with cast iron anyway.

Why not?

Maybe you could just heat it as hot as you can and throw some cold water
over it.

Yeah, maybe. I suspect that it's one of those things that sound good
but don't actually work out all that well. Maybe you'd have to heat so
much of it at once that it wouldn't be practical. I dunno.

Bob