In San Diego, there was an outfit that flame sprayed our war surplus, old tanks. No problemo, I've still got four of them lying around my locker. They didn't make any money on it, though; just kept the local divers happy. The shop foreman told me that the cleaning had to be meticulous, that there could not be so much as a fingerprint on the tank before using the plasma gun.
CRC zinc spray is a good overcoat, like you said.
CRC zinc spray is a good overcoat, like you said.