How much weld time from 1lb of CO2 ?

[12V71]

I bought a couple of extra also and put them "in a safe place".

I hope I come across them before I actually need it.


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I have used O-rings in a pinch and had them work well. Stick them in the groove with a touch of "hi tack" gasket cement.

[Lis2323]

I have used O-rings in a pinch and had them work well. Stick them in the groove with a touch of "hi tack" gasket cement.

Found them! Good tip thought





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[12V71]

Found them! Good tip thought





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I like that, I use trays like that too to keep stuff for each machine on hand. If I'm going to take the suitcase to the field all I have to do is grab that tray and go.

[ronsii]

I bought a couple of extra also and put them "in a safe place".

I hope I come across them before I actually need it.


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LOL!!!! BTDT... a lot

[smithdoor]

So what is out come
With all this data given here.

Dave

Came into some surplus CO2 and was thinking of using a one or two lb tank as a portable gas source when doing small mig jobs(mild steel) rather than dragging a 80, of 120 cf bottle of 75/25 with me. Just wondering how much weld time I could get with a pound or two of CO2 ?

Thanks

[ronsii]

Found them! Good tip thought





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I can only wish I was half as organized as you are....

Here's a box of bolts I keep down by the sawmill in case I need something...

[12V71]

I can only wish I was half as organized as you are....

Here's a box of bolts I keep down by the sawmill in case I need something...

Yeah, I have "bolt bin in a can" in the service truck...

[Lis2323]

Here's a box of bolts I keep down by the sawmill in case I need something...

Looks to me like you went to a LOT of work to gather such a complete collection of fasteners that would NEVER be of any use near a sawmill.


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[ronsii]

Looks to me like you went to a LOT of work to gather such a complete collection of fasteners that would NEVER be of any use near a sawmill.


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LOL!!!! Oh... you haven't seen my sawmills some day I may need one of those bolts way down in the bottom of that box

[12V71]

LOL!!!! Oh... you haven't seen my sawmills some day I may need one of those bolts way down in the bottom of that box

Yeah, that lug nut cover might save the day...

[albrightree]

On time as always, thank you McMaster-Carr !

High-Pressure Threaded Fitting for Compressed Gas
Adapter, CGA-320 Female Tank x CGA-580 Female Regulator
McMaster-Carr #-7923A13

[albrightree]

Found this on Amazon for the 1lb cylinder



I saw some 5lb cylinders on there for about $65 , think I'll just keep and eye out on craiglist for a really cheap one.

[albrightree]

I got about 15 minutes of good welding time out of this 1lb CO2 tank. Set regulator for 40psi, and ran at 20psi when welding. after about 18minutes the flow starts to drop off, the welds start to look greyish. At about 20 minutes the gas stops abruptly. I tried this on my snap on welder, but I think this will be a good addition to the lincoln mp210 accessories, it will even fit inside the machine with the wire spool. I don't think I got a full load in the 1lb.(maybe 14oz) tank so I think counting on 15 minutes is a safe bet. Will still keep my eye out for a slightly larger tank.

[farmall]

I also use CO2 for tasks like tire pressure topoff and briefly running pneumatic blow guns. It will run pneumatic tools in a pinch. Instead of the fancy power tanks I have a 200psi fixed pressure Western gaugeless regulator with a brass pneumatic chuck. I use quality rubber air hoses (longer gives more room for CO2 to expand). Many off-roaders carry CO2 to fill tires after airing down for traction.

BTW I use MIG mix or argon (whatever cylinder is nearby) to pressure test car amd truck AC systems since vacuum isn't very good for finding leaks and the "nitrogen" regulators of course fit.