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Galvanized steel cleaning? #403360
Thu Mar 21 2013 05:38 PM
Thu Mar 21 2013 05:38 PM
Joined: Jan 2006
Posts: 3,048
On the plains of Colorado
Thunder II Offline OP
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Thunder II  Offline OP
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Joined: Jan 2006
Posts: 3,048
On the plains of Colorado
I have an ongoing project, that has required me to use a few galvanized pieces. My question is, how do I remove the galvanizing, so that I can finish the steel with another process?


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Re: Galvanized steel cleaning? [Re: Thunder II] #403711
Fri Mar 22 2013 08:18 PM
Fri Mar 22 2013 08:18 PM
Joined: May 2006
Posts: 14
Sullivan,Mo.
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phoneman Offline
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phoneman  Offline
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Joined: May 2006
Posts: 14
Sullivan,Mo.
Muriatic acid, vinegar, sodium hydroxide, sulphuric acid, nitric acid. ammonia.
Almost any acid or alkali will remove zinc.
Always releases a fume.
Fume can be deadly if inhaled.
Do not weld galvanised (even after it's stripped) with out plenty of fresh air flow and a respirator.
Always add acid to water.
Always neutralise acids before you dispose of them.

I also hear soaking in diesel for about a month will remove galvanize and turn the diesel into a jelly.

Phoneman

Re: Galvanized steel cleaning? [Re: phoneman] #403715
Fri Mar 22 2013 08:22 PM
Fri Mar 22 2013 08:22 PM
Joined: May 2006
Posts: 14
Sullivan,Mo.
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phoneman Offline
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phoneman  Offline
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Posts: 14
Sullivan,Mo.

Re: Galvanized steel cleaning? [Re: phoneman] #403744
Fri Mar 22 2013 09:36 PM
Fri Mar 22 2013 09:36 PM
Joined: Jan 2006
Posts: 3,048
On the plains of Colorado
Thunder II Offline OP
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Thunder II  Offline OP
Veteran Member
Joined: Jan 2006
Posts: 3,048
On the plains of Colorado
Thanks Phoneman...


Anything Chevron
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I'd rather be flying.....
Re: Galvanized steel cleaning? [Re: phoneman] #403766
Fri Mar 22 2013 11:12 PM
Fri Mar 22 2013 11:12 PM
Joined: Oct 2000
Posts: 22,780
Santa Paula, Calif
Dick Bennett Offline
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Dick Bennett  Offline
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Joined: Oct 2000
Posts: 22,780
Santa Paula, Calif
Household Baking Soda mixed w/ water w/ Neutralize the acid, then rinse parts w/ clean water & dry w/ torch or it will rust quickly.


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