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JustinK1988
 [ Ringlet ]
Joined: April 01, 2010
Posts: 6
Submissions: 0
Location: Jacksonville, AL
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| colouring mail |
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| Posted on Tue Apr 06, 2010 1:07 am |
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| wut would be a good inexpensive way to blacken galvanized steel? |
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JustinK1988
[ Ringlet ]
Joined: April 01, 2010
Posts: 6
Submissions: 0
Location: Jacksonville, AL
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| Posted on Tue Apr 06, 2010 1:34 am |
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| without stripping the zinc coating |
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Joined: March 27, 2009
Posts: 1014
Submissions: 4
Location: Southeastern Minnesota
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tlblumberg
 [ Big Voice ]
Joined: June 22, 2009
Posts: 109
Submissions: 24
Location: Austin
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| Posted on Thu Apr 08, 2010 3:17 am |
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Originally, I'd have said to take a blowtorch to it, but then I remembered that it would give off a bad chemical known as zinc oxide (Zn2O). That method works for stainless, but DON'T do it for galvy. It MAY be possible to tumble it to get it blacker, kinda like how it's possible to over tumble bright aluminum. If you have a tumbler, try it. If it doesn't work the least you'll have is some nicer looking galvy.
-Just remember, if it's worth doing, it's worth overdoing.
-Never take life too seriosly. No one ever gets out alive, anyway.
--Omne Ignotum Pro Magnifico
-- If at first you don't succeed, skydiving is not for you. |
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Joined: March 27, 2009
Posts: 1014
Submissions: 4
Location: Southeastern Minnesota
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Joined: July 14, 2010
Posts: 31
Submissions: 2
Location: bloominton, IN
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| oh this one is simple and cost nothing. |
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| Posted on Fri Jul 16, 2010 8:09 am |
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Time will do what you want. You see I use the gal. a good bit. I like to make my pieces first then build them again in what ever I want. If you want to speed this graying up you can do two things. one wear it or heat it up and and let it cool. By heating it you can make it stronger, the faster you cool it off. I like running with and orange color to the gal. then dropping it in old motor oil. But time works the best. The oils in your hands from working it will make it dark. Build you piece, wear your piece and just let time do her thing. 
You are only limited by ones self, for trying is never failure. You may have just hit your limitations.
You can tell some one a 1000 times how to do some thing or show them once and they can do it a 1000 times over. |
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Joined: August 30, 2008
Posts: 2581
Submissions: 20
Location: Mississauga, ON, Canada
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| Re: oh this one is simple and cost nothing. |
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| Posted on Fri Jul 16, 2010 8:13 am || Last edited by Daemon_Lotos on Fri Jul 16, 2010 8:35 am; edited 1 time in total |
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| fire_pixie2007 wrote: | | heat it up and and let it cool. By heating it you can make it stronger, the faster you cool it off. I like running with and orange color to the gal. then dropping it in old motor oil. But time works the best. |
This is your friendly neighbourhood public safety notice.
Don't heat Galavnized Steel... The Galavinzed coating is Zinc. Zinc, when heated, produces vapours and fumes that are harmful when inhaled. And can cause damage to your internal organs. tblumberg was on the right track here.
Wearing a dust mask is NOT adequate protection. And I'm willing to bet that very few of you out there own a proper fitted cartridge respirator mask, or the proper Particulate/Hydrogen Flouride filters to go along with it.
As I said, this is just a friendly safety notice... I can't sit beside you and make you do anything... Carry on.
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Joined: August 30, 2008
Posts: 2581
Submissions: 20
Location: Mississauga, ON, Canada
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Joined: July 14, 2010
Posts: 31
Submissions: 2
Location: bloominton, IN
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| sorry for got |
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| Posted on Wed Jul 21, 2010 7:19 am |
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you can try gun blueing bottle tells you everything you need to know. you will want to get some battery acid to nock off the coating. you need plastic to lay down over you work area. tight sealing plastic bowl, gloves, bucket of water, and air flow. take your maille and put it in the acid for about 15-
20 minutes or untill the coating is gone. then when ready take it out of the acid and put it in the water then take it to the sink and rinse. keep your gloves on. change gloves before you start to color and DO NOT TOUCH WITH YOUR BARE HANDS. this will cause you problems, it will start to rust or have a funny looking spots where to touched it. that should do you.
You are only limited by ones self, for trying is never failure. You may have just hit your limitations.
You can tell some one a 1000 times how to do some thing or show them once and they can do it a 1000 times over. |
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Joined: December 22, 2007
Posts: 3615
Submissions: 99
Location: Hampton, Virginia USA
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| Posted on Wed Jul 21, 2010 3:46 pm |
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Please please please... for [insert deity of your choice]'s sake, RESEARCH any of the "experiments" suggested in this thread or anywhere else before you try them. PLEASE? I'm begging you. Don't get hurt.
Zinc fumes, blow torches, battery acid...  Not play toys!
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Joined: March 3, 2002
Posts: 829
Submissions: 243
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| Re: oh this one is simple and cost nothing. |
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| Posted on Wed Jul 21, 2010 10:40 pm |
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| fire_pixie2007 wrote: | | By heating it you can make it stronger, the faster you cool it off. I like running with and orange color to the gal. then dropping it in old motor oil. |
This is misleading and not necessarily true, heating and quenching will only harden the metal if it has significant carbon content. Most galvanized wire does not.
More likely it will anneal the galvanized and make it much softer, even if it did harden it would be left brittle without an appropriate tempering afterwards.
This is also a very dangerous procedure and I would not advise anyone to try it, there are much safer and more reliable methods.
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