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How to remove the coating on "black iron pipe"?

Posted on 11/23/14 at 7:02 pm
Posted by Neauxla
New Orleans
Member since Feb 2008
33443 posts
Posted on 11/23/14 at 7:02 pm
Anyone know how to remove the black coating (paint? tar? something else?) on "black iron pipe" that is sold at Lowes/Home Depot?

I'd rather not grind/sand it off. Some type of solvent would be preferable so as to not affect the steel underneath.
Posted by Spankum
Miss-sippi
Member since Jan 2007
56040 posts
Posted on 11/23/14 at 7:03 pm to
that is typically just some type of varnish to keep it from rusting...why do you want to remove it"....
Posted by onelochevy
Slidell, LA
Member since Jan 2011
16534 posts
Posted on 11/23/14 at 7:05 pm to
Try some paint thinner
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 11/23/14 at 7:05 pm to
Pickling is the proper way to do it.
Posted by Neauxla
New Orleans
Member since Feb 2008
33443 posts
Posted on 11/23/14 at 7:06 pm to
quote:

why do you want to remove it"....
I'm making a table w/ it and want the natural iron/steel color.
Posted by StrangeBrew
Salvation Army-Thanks Obama
Member since May 2009
18184 posts
Posted on 11/23/14 at 7:10 pm to
Posted by tgrbaitn08
Member since Dec 2007
146214 posts
Posted on 11/23/14 at 7:12 pm to
Try muriatic acid
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73681 posts
Posted on 11/23/14 at 7:14 pm to
quote:

Try muriatic acid


Eh, it could work, but if it is a petroleum based paint he will have better luck with a benzene based solvent.
Posted by sleepytime
Member since Feb 2014
3581 posts
Posted on 11/23/14 at 7:16 pm to
Just bring it somewhere to get it sandblasted. Much easier than chemical strippers.
Posted by purpleleaf
Member since Aug 2011
4004 posts
Posted on 11/23/14 at 7:18 pm to
Buy a gallon of MEK. methyl-ethyl-ketone. I sell cutback coatings to the pipe fitting industry. Different types of solvents will soften up and clean the pipe but the fastest way is just soak it n the MEK which you can buy locally at a paint store.
Posted by Neauxla
New Orleans
Member since Feb 2008
33443 posts
Posted on 11/23/14 at 7:23 pm to
quote:

Buy a gallon of MEK. methyl-ethyl-ketone. I sell cutback coatings to the pipe fitting industry. Different types of solvents will soften up and clean the pipe but the fastest way is just soak it n the MEK which you can buy locally at a paint store.

How long do I need to soak? And then just a rag and wire brush?
Posted by purpleleaf
Member since Aug 2011
4004 posts
Posted on 11/23/14 at 7:30 pm to
You won't need a wire brush. Typically MEK will attack the asphalt pretty quick. The pipe coating generally only has about 1 mil of paint so within just a couple of minutes it should wash off. Dip it several times to ensure all contaminants are removed. You will not need to do any additional cleaning after this. Just allow the MEK to evaporate.
Posted by Strannix
District 11
Member since Dec 2012
48937 posts
Posted on 11/23/14 at 7:34 pm to
Why wouldn't you just go and buy some schedule 40 pipe un coated bro??? Any steel yard will have both that and structural pipe uncoated, cheaper too.
This post was edited on 11/23/14 at 7:35 pm
Posted by Neauxla
New Orleans
Member since Feb 2008
33443 posts
Posted on 11/23/14 at 7:41 pm to
quote:

Why wouldn't you just go and buy some schedule 40 pipe un coated bro??? Any steel yard will have both that and structural pipe uncoated, cheaper too.

b/c Home Depot will cut and thread it for me.
Posted by horndog
*edited by ADMIN
Member since Apr 2007
11654 posts
Posted on 11/23/14 at 7:46 pm to
Buy galvanized pipe.
This post was edited on 11/23/14 at 7:47 pm
Posted by Neauxla
New Orleans
Member since Feb 2008
33443 posts
Posted on 11/23/14 at 7:48 pm to
You must have missed the part where I said I want the look of the natural steel/iron?

Posted by Geauxtiga
No man's land
Member since Jan 2008
34377 posts
Posted on 11/23/14 at 7:49 pm to
quote:

Why wouldn't you just go and buy some schedule 40 pipe un coated bro???
Cause it's stolen.
Posted by BlueTide
kentucky
Member since Jan 2013
109 posts
Posted on 11/23/14 at 7:52 pm to
quote:

I want the look of the natural steel/iron?




You are not going to have the "look of natural steel pipe" if you buy varnished plumbers pipe and then use any chemical to then remove the varnish.

for what you want you need to do as mentioned above and buy some plain schedule 10 or schedule 40 pipe and let it patina naturally.

That stripped varnished pipe is gonna look like crap
Posted by Neauxla
New Orleans
Member since Feb 2008
33443 posts
Posted on 11/23/14 at 7:54 pm to
It's not gonna look like the pipe that lowes/home depot sells in 1"-10" lengths that are in plastic bags to keep from rusting?
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73681 posts
Posted on 11/23/14 at 7:56 pm to
Hard to tell, depends on the makeup of the metal
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