I have a large collection of antique cast iron claw feet and I intend
to try enameling them. I know that it CAN be done, but want to know
if anyone has any advice regarding the HOW of it.
My plan is to bead blast the pieces clean, bring them to temp in my
propane forge, sift on the enamel powder while a helper holds them
(I’ll tap a blind hole and use a threaded rod to handle to piece),
use my rosebud tip to work the temp, then set it back in a firebrick
enclosure offset from the direct forge flame, turn the gas off and
let the whole thing cool very slowly. Any obvious points of failure
here? My main concern is metal oxides preventing the glass from
adhering and thermal expansion mismatch causing the enamel to come
off. I’ll only be looking to enamel the outside of the feet.
I’ve had some success with interesting surface finishes on forged
iron pieces using both copper and broken bits of colored glass fused
on to the iron. The results are a bit random and hit and miss but can
be quite striking.