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Old 04-20-2011, 02:15 PM   #41
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I had some kegs cut by a buddy of mine with a plasma cutter a couple weeks ago. I didn't put water in em, and had cleaned them out and removed the spears prior to http://www.cadreon.com/his cutting. When I picked them up, the inside looks like the cloud of smoke from the gas coated much of the interior of the keg. I am just getting around to them, so they've had a couple weeks to let it sit on there...

With tiny slag particles attached to the side. Last night I used some bar keepers friend and a scotchpad, to minor success. THe inside is still discolored. The couplings haven't been welded, but I drilled the holes, and I got the keg to hot, I can see that color distortion in it now. I plan to scrub some more with Barkeepers Friend, and grind a bit if I need to, hopefully I can get it back to brewing shape. I should have taken a picture- I'll do that, I'd appreciate an opinion.....
heres what i got goin on. sounds like you got the same problem.

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Old 04-20-2011, 02:38 PM   #42
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Yup yup, very similar, yours are a bit worse than mine, but same issue. If ya learn any tricks, let me know! Hope they are salvageable!

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Old 04-20-2011, 02:43 PM   #43
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Yup yup, very similar, yours are a bit worse than mine, but same issue. If ya learn any tricks, let me know! Hope they are salvageable!
mine look worse!!!! holy crap im gonna scrub a little now while im at work. (dont tell my boss) ill put the new pic up in a little bit and let u know how it came out. and ill let u know what i did. got a bunch of equipment at y disposal here at work so i mite try a few different things.
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Old 04-20-2011, 03:55 PM   #44
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Yup yup, very similar, yours are a bit worse than mine, but same issue. If ya learn any tricks, let me know! Hope they are salvageable!
very salvageable!!! BKF and scotch pads worked great. not sure if you can see in pic but still got somelittle bits of slag stuck mostly at the bottom. hopefully just needs a little sandpaper. any ideas on what brand? type? grit? i should be using? i dont wana do any more damage. ( i hope my boss doesnt ask why there is soapy water all over the bay )







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Old 04-20-2011, 04:38 PM   #45
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I'd guess that most of that will come of easily with a hot soak with oxyclean. Then scrub with a scotchbrite while draining. The brown or red stuff is mostly smoke. The slag is another thing, it may take some work. But I'd get the easy part first, may knock loose some of the slag.

Next time fill the keg with water before cutting.

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Old 04-20-2011, 04:52 PM   #46
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I'd guess that most of that will come of easily with a hot soak with oxyclean. Then scrub with a scotchbrite while draining. The brown or red stuff is mostly smoke. The slag is another thing, it may take some work. But I'd get the easy part first, may knock loose some of the slag.

Next time fill the keg with water before cutting.
ya i got all the rust off with bar keepers friends and scotch brite looks real good and now just a few pieces of slag remain. is it safe to use sandpaper on inside? if so what kind? grit? brand?
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Old 04-20-2011, 04:56 PM   #47
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The larger pieces of slag can usually be scraped of with a chisel.
Just use it like a scraper.
An actual paint scraper or the like doesn't have enough mass to knock the BB's of slag loose.

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Old 04-20-2011, 04:59 PM   #48
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i have these that attach to my pneumatic die grinder. would this be something that i could use on inside? will i need something more coarse? i have green ones that are basically sandpaper not sure what grit. 3M makes them called Roloc discs.

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Old 04-20-2011, 05:02 PM   #49
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Those disks work great, and there not too aggressive, which a good thing.

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Old 04-20-2011, 05:09 PM   #50
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Those disks work great, and there not too aggressive, which a good thing.
so that would be safe for inside? also i have these chisels and scraper not sure if they would be too crazy. and i thought i wasnt supposed to use metal on metal or it will rust?

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