Brazing Aluminized Steel
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  1. #1

    Brazing Aluminized Steel

    I came across some aluminized steel pipes and was wondering if it's possible to braze them to, say, regular aluminum pipes. The aluminized steel has a aluminum coating which apparently needs to be ground off before welding, so I'm thinking it would be possible given the right brazing rod (like silver solder?? ).

  2. #2
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    Re: Brazing Aluminized Steel

    Here we go again.

    Cronatron offers a couple types of wire that allow soldering/brazing aluminum to steel.

    In thin sections such as tubing wall, and subject to vibration, IMHO, it will crack in your application (I'm assuming it's either intake or exhaust for automotive).

    Still working on a way to do this but I'm also starting to give up. The more I learn about it the more I realize that people who know way more than I ever will have tried to come up with a suitable method and/or tried to make a suitable filler alloy and pretty much failed miserably. It does seem to be getting closer though so maybe soon enough someone will figure it out.

    How about weld an aluminum flange on the aluminum and a steel flange on the (cleaned of al cladding) steel and bolt it up tight. Bingo, a strong steel to aluminum joint.
    Last edited by phila.renewal; 08-13-2007 at 12:06 PM.
    Favorite right now is a Miller Syncro 200.

    Tons of tools and I blame at least one of them when things don't go right.

  3. #3
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    Aug 2007
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    Re: Brazing Aluminized Steel

    Or just weld it? I've welded aluminized steel before and I don't recall ever grinding off the aluminum to weld it? maybe I'm missing something here?

  4. #4
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    Re: Brazing Aluminized Steel

    Quote Originally Posted by mpower
    Or just weld it? I've welded aluminized steel before and I don't recall ever grinding off the aluminum to weld it? maybe I'm missing something here?

    You've welded aluminized steel tubing to aluminum tubing?

    Got any pics?

    - Paul

  5. #5
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    Re: Brazing Aluminized Steel

    Quote Originally Posted by ZTFab
    You've welded aluminized steel tubing to aluminum tubing?

    Got any pics?

    - Paul

    X2

    This I gotta see..

    ...zap!


    I am not completely insane..
    Some parts are missing

    Professional Driver on a closed course....
    Do not attempt.

  6. #6
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    Re: Brazing Aluminized Steel

    mpower - he's asking if you can weld Aluminized Mild Steel tubing to Aluminum tubing...not Aluminized to aluminized.

    Paul and Zap - I think he didn't read the entire question.
    John
    - fabricator extraordinaire, car nut!
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    http://www.weldfabzone.com


  7. #7
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    Re: Brazing Aluminized Steel

    Quote Originally Posted by MicroZone
    Paul and Zap - I think he didn't read the entire question.

    I know...I was just giving him a hard time for not reading the post.

    - Paul

  8. #8
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    Re: Brazing Aluminized Steel



    It has been rather slow in here today...

    ...zap!


    I am not completely insane..
    Some parts are missing

    Professional Driver on a closed course....
    Do not attempt.

  9. #9
    Join Date
    May 2006
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    Re: Brazing Aluminized Steel

    Ah - you guys are ball busterzzzz!

    On a side note, if you're bored, I'm in the chat...all alone.
    John
    - fabricator extraordinaire, car nut!
    - bleeding Miller blue!

    http://www.weldfabzone.com


  10. #10
    Join Date
    Aug 2007
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    44

    Re: Brazing Aluminized Steel

    =) i read it completely alright, I must have left out some parts that I didn't want to read because I was so eager to reply- bored at work syndrome lol.

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