Posted by wayne 10 months ago In:

wayne
wayne Asked:

What is it and how is Charcoal Bluing Gun parts done?

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Answers

Bill Compton
Bill Compton Answered:

When heated to 90%+ transition, certain ferrous alloys will develop a bluish tinge as the temper is drawn and the metal becomes too soft and weak to absorb the shock of firing live ammunition.  Worse, exposing annealed ferrous metal to carbon will render the metal "case hardened" and is not only very weak but brittle in addition.

I suggest that you practice the usual passivation, oxidation, and alkylation, that occurs in a normal ballistic metal bluing process.  Failing that, consider the less expensive "Parkerizing" technique.

Guard, protect and cherish your land, for there is no afterlife for a place that started out as Heaven. Charles M. Russell, Montana, 1929.
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