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cleaning inside of pipe welds/slag?

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Old Feb 27, 2014 | 10:43 AM
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Default cleaning inside of pipe welds/slag?

What is everyone using to clean out the inside of the hot side piping of the welds and slag?

We stick welded my hot side, and I want to make sure it's all clean of debris before I wrap and install it all so as to not damage the turbo with chunks of slag and sorts.

I was thinking something like a large wire pipe cleaner.
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Old Feb 27, 2014 | 12:36 PM
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I have rattled a chain back and forth, filled them with small pebbles and shook them, all depends on the length and how hard to get to the welded area
sometimes you can get one of those little detail brushes in there
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Old Feb 27, 2014 | 12:53 PM
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Could you run a honing tool with a drill about the same size as the tubing you are working with?
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Old Feb 27, 2014 | 01:06 PM
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I haven't messed around with a cylinder honing tool much...

Do you think it would be abrasive or aggressive enough to break up the slag and flakes?
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Old Feb 27, 2014 | 02:12 PM
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TIG :-)

Dunno what to tell you about MIG or ARC slag sorry.
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Old Feb 27, 2014 | 02:33 PM
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http://www.ebay.com/itm/like/351010402624?lpid=82
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Old Feb 27, 2014 | 03:11 PM
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I'm not sure the scaler will get inside the tubing very easily, but I'd never heard of those before, so thanks,
I may buy one in the future.
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Old Feb 27, 2014 | 03:42 PM
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Originally Posted by Exidous
TIG :-)

Dunno what to tell you about MIG or ARC slag sorry.
Unless you backpurge, TIG is by far the worst for leaving crap inside the pipes.

I usually MIG, and very rarely is there a mess inside.

Cant say I'd even contemplate a stick welder, but again as long as there were no gaps, no real reason to have a lot of crap on the inside.
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Old Feb 27, 2014 | 03:47 PM
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I use a 6" carbide cutter for my Dremel like tool. I can get pretty deep and it cuts steel like butter. They are for sale on ebay for like 30 bucks. I use it for all kinds of stuff. Been using it for over a year and it still cuts great. Worth the money. Kinda like this kit.
http://www.ebay.com/itm/Summit-Porting-and-Polishing-Set-Deburr-Kit-Carbide-6-Bits-1-4-Shank-Set-of-3-/390763051120?pt=Motors_Automotive_Tools&hash=item5afb4af870&vxp=mtr
You can find singles if you look long enough.
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Old Feb 27, 2014 | 05:17 PM
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Originally Posted by stevieturbo
Unless you backpurge, TIG is by far the worst for leaving crap inside the pipes.

I usually MIG, and very rarely is there a mess inside.

Cant say I'd even contemplate a stick welder, but again as long as there were no gaps, no real reason to have a lot of crap on the inside.
I know you probably use gas on your welder, but could it just be done with flux? I got my mig welder a few weeks ago but no gas yet, the hot side piping I bought is aluminized steel.. What ya think?
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Old Feb 27, 2014 | 05:26 PM
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Ive never welded gasless, so no idea what that turns out like.
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Old Feb 27, 2014 | 06:34 PM
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I'll get some gas before hand. You ever done The aluminized steel before?
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Old Feb 27, 2014 | 07:41 PM
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Originally Posted by stevieturbo

Unless you backpurge, TIG is by far the worst for leaving crap inside the pipes.

I usually MIG, and very rarely is there a mess inside.

Cant say I'd even contemplate a stick welder, but again as long as there were no gaps, no real reason to have a lot of crap on the inside.
U can tig tubing without using a back purge and not get "sugar" on the inside. U just have to know how to read the puddle and control ur heat properly.
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Old Feb 27, 2014 | 07:49 PM
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Originally Posted by JustAFooL
I'll get some gas before hand. You ever done The aluminized steel before?
Be careful welding crap like that. Gives off horrible fumes. Never clean parts off with brake cleaner or at least chlorinated brake cleaner. Gives off toxic gas that can cause kidney failure and respiratory issues.
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Old Feb 27, 2014 | 08:00 PM
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Great info GIMPY. On regular old alumminized mild steel i grind the coating back a inch or so from where im going to weld.

I also prefer 75%co2 and 25% argon gas with .23 wire.
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Old Feb 27, 2014 | 08:25 PM
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I would wait until you get gas to make the welds. The difference is literally night and day. Not to mention i wouldn't trust the welds with out gas.
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Old Feb 27, 2014 | 08:34 PM
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Originally Posted by Sleeperls
Great info GIMPY. On regular old alumminized mild steel i grind the coating back a inch or so from where im going to weld.

I also prefer 75%co2 and 25% argon gas with .23 wire.
I was told by another member to just get aluminized steel, it was cheaper and would work just as well. Never welded it though so this is some great information to come across. More than likely will just tac weld it anyways and take it to a professional, my skills aren't the best.

I just saved this thread. I won't be starting my build till the fall, lake season is just right around the corner..
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Old Feb 27, 2014 | 08:53 PM
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lol i remember my first turbo build i used a stick welder.. came out horrible ,, leaks every where ,, ugly as hell,, i was young , and only had access to stick welder .. ricky bobby... i wanted to go fast .. Now i own a plasma cutter , tig , and mig welder ,, Id save up for a mig welder if i were you ..,.Day and night diffrence..
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Old Feb 27, 2014 | 09:52 PM
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I've got a Lincoln Mig, just haven't bought gas for it yet. My grinder is getting used more than the welder though.
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Old Feb 27, 2014 | 10:13 PM
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One thing that really helps is being a little meticulous with your fab work. AKA make sure theres no gaps full 360* and dont burn through the material. This way no wire or slag can enter the interior of the tubing. Also, what i for for just incase is push a clean rag through the completed tubing once or twice to make sure theres nothing in there before installing on the car.
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