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  #26  
Old 12-18-2008, 06:31 PM
anatomist1 anatomist1 is offline
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Join Date: May 2006
Location: Pacific NW, USA
Posts: 604
Re: Rust removal

I could really use a chemical means of removing fire scale. I can peel most of it off by cooling the steel then hitting the scale briefly with the torch. However, I'd like a way to take the remaining grey off and get it something more like bead blast clean, but with chemicals. It seems like nothing ever fits in a sand blast cabinet even when I have access to one, and they're always stocked with coarse sand or black beauty.
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  #27  
Old 12-20-2008, 12:56 AM
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desertrock desertrock is offline
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Join Date: Jul 2006
Location: Phoenix
Posts: 880
Re: Rust removal

My three words....
Mark

Last edited by desertrock : 12-20-2008 at 08:31 AM.
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  #28  
Old 01-21-2009, 05:19 PM
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Mr. Malloy Mr. Malloy is offline
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Join Date: Aug 2007
Location: Olympia, Washington
Posts: 231
Re: Rust removal

I have this issue too. Only mine is that I need to stop internal rusting on an outdoor piece that I let rust to perfection, when I had it where I wanted I coated with rustoleum clearcoat several times for the gloss finnish but rust.
It is good but now its seems to be rusting from the inside??
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  #29  
Old 01-21-2009, 07:10 PM
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Aaron Schroeder Aaron Schroeder is offline
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Join Date: Jun 2006
Location: Shelby, Ohio
Posts: 856
Re: Rust removal

Try Naval Jelly. An acid in jelly form, you brush it on, wait hours then hose it off. It will leave a nice grey finish and can cut deep with a few applications. Found in most hardware stores, last time I looked. That or try ferrous chloride an etchant found at Radio Shack which can also be used to copper plate your steel. Pour it on some copper, wipe it up with a sponge, then wipe it onto your steel. Patina at will.
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  #30  
Old 01-21-2009, 09:28 PM
PTsideshow PTsideshow is offline
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Join Date: Dec 2006
Location: Southeast Michigan
Posts: 630
Re: Rust removal

http://www.rustyiron.com/engines/ele...sis/index.html A good rust maker for smaller items or rust remover.

Here is a site with the commonly available rust treatment chemicals available in the US and how they work in a comparison testing.
http://ecologicarchitecture.com/Solo...rust/index.htm

http://www.derustit.com/ rust remover

http://www.picklex.com/ Picklex® process works on all steels including stainless steel, aluminum, galvanized steel etc. (ferrous & non-ferrous metal), providing better weldability, anti-spatter properties, very long-term indoor rust protection (in terms of few years), better adhesion with top coating and a long-term corrosion resistance, not found in other similar products. This process has no waste disposal, no waste treatment, no sludge, no monitoring and no concentration adjustment.

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glen
been there done that !
I am not a lawyer, and never played one on TV!
All the usual
and standard disclaimers apply. Do not try this at home, use only as directed, No warranties express or implied, for the intended use or suggested uses, Wear safety glasses, closed course, professionals only
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  #31  
Old 01-22-2009, 04:50 AM
PTsideshow PTsideshow is offline
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Join Date: Dec 2006
Location: Southeast Michigan
Posts: 630
Re: Rust removal

Since this thread got started Horrible Fright has added a small soda blaster and two grades of soda. As soon as the car guys and girls see it it should be in a HF store near you. it looks to be a clone of the small ones sold by the other tool houses and auto/bike restoration places.

http://www.harborfreight.com/cpi/cta...emnumber=65902

http://www.harborfreight.com/cpi/cta...emnumber=65931

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glen
been there done that !
I am not a lawyer, and never played one on TV!
All the usual
and standard disclaimers apply. Do not try this at home, use only as directed, No warranties express or implied, for the intended use or suggested uses, Wear safety glasses, closed course, professionals only
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  #32  
Old 01-28-2009, 05:31 PM
ews ews is offline
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Join Date: Jan 2009
Location: Thornbury, England
Posts: 4
Re: Rust removal

Hi.
I remove rust from assorted garden tools useing 'electrolysis',bigger the item just means a bigger tank, nothing fancy, heavy gauge plastic liner in a frame will do.

I just use 'Sugar Soap' (a decorators cleaning compound)mixed with water and a large battery charger as a power supply. No disposal problems either.


http://www.pembleton.co.uk/techpages/derusting.html

Edward
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