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  1. #1
    Join Date
    Aug 2009
    Posts
    18

    Default Steel CO2 Tank for Mig Gas

    I got a new welder and need to get a gas bottle. I have an extra 20# steel CO2 tank from a beer setup that is currently still certified. Is there any reason why my local gas company can't switch the head out and fill it with mig gas? I realize that mig gas is sold by volume and not weight, but I don't want to buy a new tank if this will work.

    Thanks in advance.

  2. #2
    Join Date
    Dec 2007
    Location
    southern California
    Posts
    1,783

    Default

    You can use CO2 as a shielding gas for solid wire mig welding.

    If you want an argon/CO2 mix gas, take your CO2 bottle into the local welding shop and ask to trade it for a mix gas bottle & fill. It's done all the time.
    Millermatic350P/Python, MillermaticReach/Q300
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    PowCon 300SM, MK Cobramatic
    ThermalArc 185ACDC, Dynaflux Tig'r, CK-20
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    Hypertherm PowerMax 380
    Purox oxy/ace
    Jackson EQC
    -F350 CrewCab 4x4
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    -Bobcat 250NT
    -PassportPlus/Q300
    -XMT304/Optima/Spoolmatic15A
    -Suitcase8RC/Q400
    -Suitcase12RC/Q300
    -Smith oxy/propane
    -Jackson EQC

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