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Thread: Co2 to weight to cubic foot conversion.

  1. #1
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    Co2 to weight to cubic foot conversion.

    I was wondering if anyone had a rough conversion as to how many cubic feet a 20 lb. Co2 would be.
    Miller xmt304, Miller S22 p12, Miier Maxstar SD, Miller 252 w 30A, Miller super32p12, Lincoln Ranger 9, Thermal Arc 181I with spoolgun, Hypertherm 10000 ,Smith torches. Esab 161lts miniarc.

  2. #2
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    Re: Co2 to weight to cubic foot conversion.

    Roughly 8.8 cubic feet per pound.

    Approximately 176 cubic feet for a 20lb CO2 tank.
    Last edited by MinnesotaDave; 06-24-2014 at 02:05 PM.
    Dave J.

    Beware of false knowledge; it is more dangerous than ignorance. ~George Bernard Shaw~

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  3. #3
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    Re: Co2 to weight to cubic foot conversion.

    About 162 cubic feet. At sea level, at 20C, so on and so forth on paper.
    I thought it would be alot more.
    Last edited by mad welder 4; 06-24-2014 at 02:30 PM.
    old Miller spectrum 625
    Lincoln SP-135 T, CO2+0.025 wire
    Miller model 250 and WP-18V torch
    Craftsman 100amp AC/DC and WP-17V torch
    Century 115-004 HF arc stabilizer
    Home made 4 transformer spot welder
    Home made alternator welder

  4. #4
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    Re: Co2 to weight to cubic foot conversion.

    So 160-180 cubic feet. How does 15$ for a fill on the 20 pound seem for pricing.

  5. #5
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    Re: Co2 to weight to cubic foot conversion.

    That's pretty good pricing - think it was about $20-25 here last time.
    Dave J.

    Beware of false knowledge; it is more dangerous than ignorance. ~George Bernard Shaw~

    Syncro 350
    Invertec v250-s
    Thermal Arc 161 and 300
    MM210
    Dialarc
    Tried being normal once, didn't take....I think it was a Tuesday.

  6. #6
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    Re: Co2 to weight to cubic foot conversion.

    Thats what I pay to fill a 5lb keg bottle.
    But a 20lb is $20, then a 50lb is $50, most of the cost of a fill is the filling action its self.
    old Miller spectrum 625
    Lincoln SP-135 T, CO2+0.025 wire
    Miller model 250 and WP-18V torch
    Craftsman 100amp AC/DC and WP-17V torch
    Century 115-004 HF arc stabilizer
    Home made 4 transformer spot welder
    Home made alternator welder

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