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Thread: gasless ss mig?

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  1. #1
    Join Date
    Oct 2012
    Location
    kannapolis,nc
    Posts
    32

    Default gasless ss mig?

    can anyone recomend a gasless/fluxcore wire for ss on a spoolgun? will already be carrying a bottle of argon for aluminum. really don't want to carry (or buy) a bottle of trimix. seen this on ebay, will this do? http://www.ebay.com/itm/200665438108...84.m1423.l2649

  2. #2
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,913

    Cool

    That should work how good i don't know. We had a pretty good discussion of it on another forum about a year ago but i never tried it or saw any pics of welding done by it...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
    http://www.millerwelds.com/resources...php?albumid=48

  3. #3
    Join Date
    Mar 2011
    Location
    La
    Posts
    257

    Default

    The Gateway Arch in St. Louis Missouri was built out of SS panels. They were all welded together on site. I'm sure it would be hard to use a process involving gases. Must have been done with gasless mig/self shielding like what your describing. And that monument hasn't fallen down yet.


    Dynasty 200 DX
    Diversion 180 (FOR SALE)
    Millermatic 350P, XR-Aluma-Pro
    30A Spoolgun
    Lincoln Pro Mig 140
    Hypertherm Powermax 30
    14" Rage Evolution 360
    40 ton press brake
    Shop full of tools

  4. #4
    Join Date
    Nov 2011
    Posts
    157

    Default gasless ss mig?

    An excerpt from this site;

    http://www.nps.gov/jeff/planyourvisit/fabricating-the-steel.htm

    MIG (metal inert gas) welding with an automatic electrode head, utilizing a shielding mixture of 75 percent argon and 25 percent carbon dioxide, was selected for joining the stainless-steel plates on the polished side only. Nondestructive testing with spot X-ray was used to check the welding both in the shop and in the field. Electrolytic cleaning removed the halos on the stainless steel caused by heat from welding.

  5. #5
    Join Date
    May 2013
    Posts
    26

    Default

    I've always just used my 75-25 mix for mig welding ss... with good structural results. Appearance was a bit lacking though. the beads form nicely but appear rather dark and sooty looking. Also I've used ss rod for stick welding. It works good and is very easy to weld with.

  6. #6
    Join Date
    Nov 2011
    Posts
    157

    Default gasless ss mig?

    Yup +1 on the SS rods. Makes awesome looking beads even for an "enthusiast"

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