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  1. #1

    Default Stainless to Aluminum TIG

    Hi, I'm welding an insert into an aluminum tube, but I have an opening close to the weld that I need to stay open. Will inserting a stainless steel strip into the opening prevent it from closing?

  2. #2
    Join Date
    Oct 2007
    Location
    Medina, Wisconsin
    Posts
    103

    Default

    Quote Originally Posted by Weldingchick01 View Post
    Hi, I'm welding an insert into an aluminum tube, but I have an opening close to the weld that I need to stay open. Will inserting a stainless steel strip into the opening prevent it from closing?
    I would try some copper. The melting point of copper is much higher than of alum.
    Kirk Kopitzke
    Service Technician
    Miller Electric Mfg. Co.

  3. #3
    Join Date
    Aug 2004
    Location
    Milan Michigan
    Posts
    1,721

    Default

    A piece of carbon air arc rod works good on steel to keep the weld out of a threaded hole, However because your welding aluminum I think copper would work better for your situation.

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