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Thread: TIG welding Steel/Iron welding with Argon?

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    Default TIG welding Steel/Iron welding with Argon?

    Hi,
    I usually weld aluminum so I have 2 125 Argon gas tanks. But occasionally I need to weld some iron, can I get away with using my Argon or do I really need a C02 mixture tank.. Thanks!

    using Miller Syncrowave TIG 250

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    It works, but you burn more money than needed. I always weld with "Mison" gas mix.



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    i dont need perfect welds for iron. if it works thats great because can not afford more tanks.



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    TIG welding is almost always done with pure argon, regardless of what is being welded. CO2 and other mixes are used with MIG welding of ferous metals.

    http://www.millerwelds.com/education...ints_tips.html

    All the TIG I've ever done has been with argon, though I've heard of rare applications where helium or other more exotic gases are used in small concentrations to aid in penetration or other weld characteristics.



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    humm sounds like the welding shop wants to sell me another tank becuase they told me no way Argon for Iron...



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    I have used only Argon with both Syncrowave 250 and Dynasty 200's in tig mode. This includes Steel, Stainless and Aluminum.

    Good luck
    Brian



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    Roger great advise saved me a ton thanks ( dont feel so bad now having a spare Argon tank when thought should have bought Co2 as second tank)



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    Actually I missed the "TIG" word in the title of this thread last time I responded. But anyway, CO2 is mostly used to save money when MIG/MAG-welding (that's the MAG-part). I never change, I always go with one good tank than two different as it will be more expensive to lease two gas tanks (we have leasing and not own-by-yourself-tanks here) than running everything with one gas-mix and refill more frequently.

    You've already got the answer, two Argon is better than one Ag and one CO2.



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    Default How about Cromoly

    Is cromoly going to be welded easily with Argon. I am thinking of using cromoly on next project. any advise on cromoly much appreciated.

    happy thanks giving



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    It has already been said above but I will add to it --TIG = ARGON.



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