Bottle size for Tig ?

Lennyzx11

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Hobart MVP210, Hobart Stickmate LX. Lincoln Tombstone AC/DC
I picked up a small inverter Yes Welder a few months ago in trade that does Tig and stick.
It’s the Tig-205DS.

What size bottle do you guys recommend to get with it?
I have 2 bottles of 40 cf of C25 and a smaller 20cf bottle of pure argon for my spoolgun with aluminum.
But internet says I need argon/helium for Tig welding so I’m looking at buying a bottle for that now.
Do I need an 80cf for homeowner use? I plan on welding aluminum eventually with a better TIG also but want to learn on steel this winter with this little welder.

I plan on using 3/32 2% lanthanated (blue) electrodes to start with but open to suggestions.

Why I ask is with the post flow/pre flow requirements I’m reading on, it seems like you’d go through gas a lot faster so may need a larger bottle to keep from running out fast.

Thanks for tips
 

Dirt Guy

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Miller 211, miller 135, Eastwood tig 200, Lincoln Weldenpower Engine driven Arc Welder,
I use the 80 cf bottles. I have two .one on the welder and the other for a spare. Cost to fill the 80"s is a little less then your smaller bottles. Also on your pre flow and post flow, turn it down to 10 to 12 cfh as you are learning, gas will last a lot longer. I use 100 per cent Argon for all my Tig welding . No need for argon/ helium mix for welding steel. Also cost a lot more than pure argon. Your choose of 3/32 tungsten will work fine, also try 3/32 purple tungsten, good all around tungsten . Welcome to the Tig welding world, Do a lot of practice, you will get the hang of it.
 

Lennyzx11

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Hobart MVP210, Hobart Stickmate LX. Lincoln Tombstone AC/DC
Thanks for the tip on being able to use pure argon. I had thought I had read that somewhere but couldn’t find it again. I’ll order some purple electrodes also per your recommendation.
 

Lennyzx11

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Well, I got my tungsten and filler rods in the mail.
I have the standard regulator on my Mig and little oxygen acetylene setup but this Tig welder calls for a flow meter.
I’m off to find one of those as I remember that is supposed to be better than a regulator anyway for mig.
 

Dirt Guy

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Flow meter is what you need, much more accurate than a regulator, Just make sure it is a flow meter that is made for argon . The argon scale will be marked on the tube the steel ball rides in. I bought mine online at Cyberweld.com, good meter and a good price. Lots of other online places too, Just google argon flow meter and you will see. A few months ago I bought one from Eastwood.com. Nice chrome flow meter, works good and looks great.
 

Gary Fowler

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If you plan to do much TIG welding, go for the 125 minimum size. Even that size will run out quickly. You need 15-20 CFH for the gun to include the pre/post flow so you can see that an 80 CF tank is only going to give you about 4 hours of weld time at most. Unless you live 5 minutes from the LWS you will be going there often. If you plan to do stainless or chrome alloys, plan on a purge on the back side of that as well so then double the argon usage per hour. Sometimes even aluminum (especially when welding cast aluminum) benefits from a back purge to help float out the impurities.
 

Lennyzx11

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Just wanted to say I did get the Yes welder up and running this week. Some practicing and a handful of YouTube videos have been reviewed has been the last few days Main topic.
It’s a dc only machine so no aluminum.

Currently practicing with
1/8” wall rectangle tube 1x3
Argon Gas at 15cfm
Amps at 125( using the 1 amp per .001 thousandth guideline)
Blue 3/32 tungsten
3/32 filler rod for steel

It’s been fun to play with though I don’t see any dimes stacking up, the welds look like they would “farmer pass”.
 

RubinInefs

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Blue ... Suk it red
Летчик создан в генераторе неожиданных коэффициентов, что пред основанием раунда формирует непроизвольный показатель, доходя что, забава завершается. Ваша цель – уложиться в срок представить ресурсы вплоть до свершения данного значимости.
Подробнее на сайте:
Авиатор игра
 

Gary Fowler

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Just wanted to say I did get the Yes welder up and running this week. Some practicing and a handful of YouTube videos have been reviewed has been the last few days Main topic.
It’s a dc only machine so no aluminum.

Currently practicing with
1/8” wall rectangle tube 1x3
Argon Gas at 15cfm
Amps at 125( using the 1 amp per .001 thousandth guideline)
Blue 3/32 tungsten
3/32 filler rod for steel

It’s been fun to play with though I don’t see any dimes stacking up, the welds look like they would “farmer pass”.
Not to be sarcastic or anything, but many farmers where I grew up were pretty good welders. Many of us (me included) would work construction during the winter months for some extra income and some of us were certified pressure piping welders in stick and TIG welding. I practiced the same quality of work on the farm, so when I welded something it stood the test of time in both visual and strength.

Dont put too much into the stack of dimes look. It is mostly for looks and doesnt add strength, in fact it could be a very weak weld if not properly done.
 
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