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All-State #31 aluminum rod

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  • All-State #31 aluminum rod

    I have a box( approx 5 lb) of All-State #31 aluminum rod I've had for 30 years. We used this with Alcoa #22 pink flux which is a powder to be mixed with water to form a paste to gas weld repairs on aluminum
    refrigeration coils etc. Does anyone know if this can be used with tig? It says on the box..Aluminum(GAS) on the box. It was difficult to weld because of the oil in a refrigeration system that would be present at the weld area. I would say my success rate was about 50%. Anyone familiar with this product?
    Nick
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    and check out some of my ironwork and other stuff

  • #2
    Originally posted by monte55 View Post
    I have a box( approx 5 lb) of All-State #31 aluminum rod I've had for 30 years. We used this with Alcoa #22 pink flux which is a powder to be mixed with water to form a paste to gas weld repairs on aluminum
    refrigeration coils etc. Does anyone know if this can be used with tig? It says on the box..Aluminum(GAS) on the box. It was difficult to weld because of the oil in a refrigeration system that would be present at the weld area. I would say my success rate was about 50%. Anyone familiar with this product?
    Its 4047 alloy.
    Traditionally 4047 and 4043 were considered brazing alloys since they melt at slightly lower temperatures then most common wrought materials. When using these materials and the torch, you can literally "sweat" to parts together without melting the base material. This is common on things like fuel tank bungs, fittings, etc. where we use a lap joint and braze the fittings to the tank skin, it forms a nice fillet on both the inside and outside of the tank.
    Its pretty much impossible to braze aluminum with TIG so you kind of loose all the benefits.

    -Aaron
    "Better Metalworking Through Research"

    Miller Dynasty 300DX
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    Smith, Meco, Oxweld , Cronatron, Harris, Victor, National, Prest-o-weld, Prest-o-lite, Marquette, Century Aircraft, Craftsman, Goss, Uniweld, Purox, Linde, Eutectic, and Dillon welding torches from 1909 to Present. (58 total)

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    • #3
      I decided to try to tig with it. The first bead had a dull cast but two more beads came out very shiny, almost like chrome. Wierd!
      Nick
      Miller 252 Mig
      Miller Cricket XL
      Millermatic 150 Mig
      Miller Syncrowave 200 Tig
      2-O/A outfits
      Jet Lathe and Mill
      Jet 7x12 horz/vert band saw
      DeWalt Multi Cutter metal saw
      Century 50 Amp Plasma Cutter
      20 ton electric/hydraulic vertical press
      Propane Forge
      60" X 60" router/plasma table

      www.youtube.com/watch?v=jTu7wicVCmQ
      Vist my site: www.nixstuff.com
      and check out some of my ironwork and other stuff

      Comment

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