Note the Cyanide process is "Not" a Faux color hardening, but a form of true color case hardening. The part is put into molten Cyanide at a temperature sufficient to harden the case which is acquired from the carbon content of the Cyanide upon quenching. Normally the Cyanide does not produce as deep a case as the bone/charcoal process & "In My Opinion" not a beautiful colors. The process I listed will "Indeed" "Never" be mistaken for real charcoal case hardening, but is certainly preferable to sticking the tip of an oxy/acetelene torch to a frame in spots & heating to red heats in areas & oither heats in others, with no concern for the resulting temper of said piece.This method in no way damages the part & is cosmetic only. I have applied it to sng bbl frames as well as a few hardware dbls. I would not necessarily recommend it for even a Perazzi, though Ithaca "Did".
