The only way they would not warp is if they were cast or VERY thick metal  No metal will withstand the heat unless it's VERy thick or cast and you won’t get that for $25.

> On Aug 13, 2023, at 12:00 AM, Automatic digest processor <LISTSERV@GERRY.VANAGON.COM> wrote:
> 
> Stainless?  I wish.  Mine are not stainless, don't know really what the
> metal is.  Quite thin and warped almost immediately.  Cost me $25 each in
> 2008.  got them from a list member out of (Montreal?).  I mentioned to him
> that they warped, and he replied that I was expecting too much from a thin
> piece of metal.  No, I was expecting when I ordered them better quality for
> $25.

Cheers,    

Frank Condelli
Almonte, Ontario, Canada
'87 VW Westy, '00 Kawasaki 250 Sherpa, "98 Ducati 750 Monster 
BusFusion a VW Camper camping event, Almonte, ON, June 2023
Lionel Trains (Collection for sale)