I tried to find some info on rust bluing and found a couple sources elsewhere but if you can point me to one on here that'd be great... the search filter is a little picky it seems.
The sources I found suggested quickly forming a layer of rust with a variety of different products(household acids or products meant for rusting) and humid conditions. Then steaming it in distilled water. Is there anything more to this method? it sounds too easy/simple but I doubt it is.
From what I've read so far, it sounds like hot blue/cold blue form a thin, not very protective, layer on the surface of the steel. Is a rust bluing method more protective/thicker.
thanks for your patience--- I'm new to all of this