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Thread: MIG shielding gas

  1. #1
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    MIG shielding gas

    I have trying find a alpropus gas for MIG weld
    I did using Argon and if need Oxygen 1 to 5%
    Does any know about using Argon and adding Oxygen
    See chart below

    Dave
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    Re: MIG shielding gas

    whats "alpropus" mean ?

  3. #3
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    Re: MIG shielding gas

    Quote Originally Posted by tweake View Post
    whats "alpropus" mean ?
    all purpose ???
    T man.


    15 + years working for myself, and by golly, I still don't know what I want to do when I grow up.

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    Re: MIG shielding gas

    Phone did again it is [all around]
    I for got to prof read

    I trying to find one gas for most metals
    I found data bleeding oxygen with argon
    All some has to is blended gas

    Dave


    Quote Originally Posted by T man View Post
    all purpose ???
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  5. #5
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    Re: MIG shielding gas

    I get a blend from airgas 95 argon 4 co2 1 o2 it's about double the cost of co2 but does steel like a dream so so smooth does stainless and has almost zero splatter it's also spec for spray arc but as far as nice clean welds it's hard to beat well worth it to me

  6. #6
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    Re: MIG shielding gas

    Any of you guys ever read Ed Craigs voluminous information on MIG gasses?

  7. #7
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    Re: MIG shielding gas

    Quote Originally Posted by smithdoor View Post
    Phone did again it is [all around]
    I for got to prof read

    I trying to find one gas for most metals
    I found data bleeding oxygen with argon
    All some has to is blended gas

    Dave
    for me, i would just go tig and use argon.
    most of my non steel stuff is done with tig.

    for bigger projects where i would want to use the mig i simply get a bottle in to suit the application.

    i don't see any point to home blending gases. the whole reason for not having different gases is paying for bottle rent.

  8. #8
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    Re: MIG shielding gas

    Quote Originally Posted by Virgil5 View Post
    Any of you guys ever read Ed Craigs voluminous information on MIG gasses?
    Ed has been to the rodeo and back.He always checks his shoes when leaving an "engineers" office.
    I pretty much agree with most of what he says. If you have a hot mig setup(252-Ironman-256 Linc-2400) etc go buy a jug of 85/15 for gigles. You'll see where he's coming from.
    I'm just a job shop now running on CO2 on most everything but when I did tons of structural columns we were spraying 90/10 or 85/15 w MM200's all day long. We had the columns on big horses lined up and just pull the trigger, roll them without letting off and then forklift over to another set of horses for primer. Fast and clean.Nary a spatter, ripple, start or stop to be seen. Like machine welds.

    PA...Your O2 is hotter than CO2. A 95/5 will give you pretty much the same thing. My thought.If it works for you don't "fix it". Weld on. I have to keep screwing with stuff to keep my cardiologist in new Audis.

  9. #9
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    Re: MIG shielding gas

    My Cardiologist went and assumed room temperature at age 87. He was working till 2 weeks before he died.
    He wanted me to walk on his silly treadmill one time, told him I had a steel roof to get on and couldn't wear myself out. He told me he didn't need $1200 that bad, but to give him a call if the roof took me out.
    Damned if he didn't swing by around 8 to see how the roof was coming and could he help.

    He grew up on a cow farm in a part of the state didn't have electric power till the 50s.

    New clowns in that trade ain't worth talking to.

  10. #10
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    Re: MIG shielding gas

    I have bleed gas in the 1980's
    But then I used argon, oxygen and co2
    Today only have argon and oxygen tanks
    Try find If any used this combo. Be for buying the flowmeter

    Thank you for your info
    Dave

    Quote Originally Posted by tweake View Post
    for me, i would just go tig and use argon.
    most of my non steel stuff is done with tig.

    for bigger projects where i would want to use the mig i simply get a bottle in to suit the application.

    i don't see any point to home blending gases. the whole reason for not having different gases is paying for bottle rent.
    HF 170 welder
    HF 4x6 band saw
    South Bend 9N
    Mill
    B&D mag drill
    Victor torch

  11. #11
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    Re: MIG shielding gas

    Then you sounds it well using oxygen with argon

    With one bottle of argon and mixing o2 I can weld aluminum, steel and stainless steel

    Dave



    Quote Originally Posted by Bonzoo View Post
    Ed has been to the rodeo and back.He always checks his shoes when leaving an "engineers" office.
    I pretty much agree with most of what he says. If you have a hot mig setup(252-Ironman-256 Linc-2400) etc go buy a jug of 85/15 for gigles. You'll see where he's coming from.
    I'm just a job shop now running on CO2 on most everything but when I did tons of structural columns we were spraying 90/10 or 85/15 w MM200's all day long. We had the columns on big horses lined up and just pull the trigger, roll them without letting off and then forklift over to another set of horses for primer. Fast and clean.Nary a spatter, ripple, start or stop to be seen. Like machine welds.

    PA...Your O2 is hotter than CO2. A 95/5 will give you pretty much the same thing. My thought.If it works for you don't "fix it". Weld on. I have to keep screwing with stuff to keep my cardiologist in new Audis.
    HF 170 welder
    HF 4x6 band saw
    South Bend 9N
    Mill
    B&D mag drill
    Victor torch

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