Brown Patina Conversion
I've aware that difference between browned barrels and blued barrels is that the blueing is boiled between applications of the acid, before carding. Years ago I blued some 1911 parts and browned a couple muzzleloader barrels. Most older average condition Damascus barrels seem to turn brown in the iron strands, even if they retain the silver pattern in the steel strands.
Has anyone tried boiling old barrels to see if the brown color would convert to black? I kind of doubt that would happen but I wonder why not?
I've heard that careful polishing can improve contrast. I believe I've also seen reference to a chemical process that can improve Damascus contrast short of a full refinish. Has anyone heard of that?
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