OPINIONS PLEASE
Postmaster
Joined: Nov 2015
Posts: 2,769
Likes: 7
From: O-O-O-Oreilly's
[QUOTE=xringonly;16886020]
You're both right. In most cases, the metal parts are polished, degreased and completely covered in a mix of charcoal, bone and often times, leather. The whole chamber is then heated to critical temperature, and subsequently the parts are quenched in water. They are immediately removed from the water and oiled. Voila, color case hardening. The carbon in the bone, leather and charcoal creates a microns thick layer of very high carbon, very hard, steel, while leaving tougher, softer steel beneath.
The bluing technique as described by the OP shows the various oxidation colors of steel at different temperatures. A straw color is around 400°, then your blue colors are around 5-650 then you get into violet, then it will start glowing red. These colors were common signs that made themselves useful to colonial gunsmiths and weapons makers. A spring for a gun would be forged, hardened, then laid out on a bar of steel over the forge until it turned blue. A knife, which should be less springy and a little harder would be tempered to a straw color.
The bluing technique as described by the OP shows the various oxidation colors of steel at different temperatures. A straw color is around 400°, then your blue colors are around 5-650 then you get into violet, then it will start glowing red. These colors were common signs that made themselves useful to colonial gunsmiths and weapons makers. A spring for a gun would be forged, hardened, then laid out on a bar of steel over the forge until it turned blue. A knife, which should be less springy and a little harder would be tempered to a straw color.
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More Turbo
Joined: Dec 2005
Posts: 582
Likes: 1
Thanks. Fabricated all the twin stick stuff myself, well except for the boot. Works wonderfully. I originally planned on going back with single stick when I did my conversion, after everything was in, it was just easier to build twins. Pics in my build thread, ifn I can dig them up Ill post them here to keep you from wasting your life reading the whole thing.
Cargo Master
Joined: Oct 2010
Posts: 2,674
Likes: 16
From: Ideeho
Thanks....I'd appreciate it......I've thought about doing a twin stick on mine......even though I know I would never use it to it's full potential......LOL.........mine's kinda a pavement princess......being an ol' trucker....I just dig the looks of lots of gearshifts sticking up thru the floor and actually knowing how to use all of them.......LMAO
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More Turbo
Joined: Dec 2005
Posts: 582
Likes: 1
[QUOTE=mountain dewd;16886780]
You're both right. In most cases, the metal parts are polished, degreased and completely covered in a mix of charcoal, bone and often times, leather. The whole chamber is then heated to critical temperature, and subsequently the parts are quenched in water. They are immediately removed from the water and oiled. Voila, color case hardening. The carbon in the bone, leather and charcoal creates a microns thick layer of very high carbon, very hard, steel, while leaving tougher, softer steel beneath.
The bluing technique as described by the OP shows the various oxidation colors of steel at different temperatures. A straw color is around 400°, then your blue colors are around 5-650 then you get into violet, then it will start glowing red. These colors were common signs that made themselves useful to colonial gunsmiths and weapons makers. A spring for a gun would be forged, hardened, then laid out on a bar of steel over the forge until it turned blue. A knife, which should be less springy and a little harder would be tempered to a straw color.
That's what I like about this site, there's always someone (not me) that knows what they're talking about.
You're both right. In most cases, the metal parts are polished, degreased and completely covered in a mix of charcoal, bone and often times, leather. The whole chamber is then heated to critical temperature, and subsequently the parts are quenched in water. They are immediately removed from the water and oiled. Voila, color case hardening. The carbon in the bone, leather and charcoal creates a microns thick layer of very high carbon, very hard, steel, while leaving tougher, softer steel beneath.
The bluing technique as described by the OP shows the various oxidation colors of steel at different temperatures. A straw color is around 400°, then your blue colors are around 5-650 then you get into violet, then it will start glowing red. These colors were common signs that made themselves useful to colonial gunsmiths and weapons makers. A spring for a gun would be forged, hardened, then laid out on a bar of steel over the forge until it turned blue. A knife, which should be less springy and a little harder would be tempered to a straw color.
Cargo Master
Joined: Oct 2010
Posts: 2,674
Likes: 16
From: Ideeho
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