Announcement

Collapse
No announcement yet.

Aluminum

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • Aluminum

    Hello Andy
    First time user. I have a problem when I spot weld aluminum, well actually when it comes back from plating ( alodine ) the area that I spotted is all black, can you give me some input on what maybe causing this.

    Best regard

    Antonio

  • #2
    Re: Aluminum

    Originally posted by Antonio Romero
    Hello Andy
    First time user. I have a problem when I spot weld aluminum, well actually when it comes back from plating ( alodine ) the area that I spotted is all black, can you give me some input on what maybe causing this.

    Best regard

    Antonio
    Well, I'm not Andy, but I'll see if I can help anyways. The selection of your filler metal must be matched properly with the base metal if you plan to anodize or alodine afterwards. For example, if you were welding 6061 you would want to use a 5356 filler and not 4043--otherwise the anodized weld bead would appear black. What alloy of AL are you welding? Are you tig spot welding by adding a dab of filler, or are you fusion welding? It sounds as if this is for an aviation project if you are alodining. Could it be a 3xxx series alloy?

    -dseman

    Comment


    • #3
      dseman, not to be a grammer expert, but Tig welding is fusion welding, so is stick,mig,oxyfuel,plasma,electron beam,.....I think you were refering to Spot Resistance????Anyway good comment about filler material, what I have read, matching filler for anodizing can be tricky, I am sure others out there will have more info, Antonio, this is a great place to learn lots of good stuff, you may find yourself hanging out here a few times a day, Welcome to the forum, Paul
      More Spark Today Pleasesigpic

      Comment


      • #4
        Originally posted by paulrbrown
        dseman, not to be a grammer expert, but Tig welding is fusion welding, so is stick,mig,oxyfuel,plasma,electron beam,.....I think you were refering to Spot Resistance????Anyway good comment about filler material, what I have read, matching filler for anodizing can be tricky, I am sure others out there will have more info, Antonio, this is a great place to learn lots of good stuff, you may find yourself hanging out here a few times a day, Welcome to the forum, Paul
        I meant autogenous, as in welding without the addition of a filler metal.

        Comment

        Working...
        X