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  1. #1
    Join Date
    Dec 2006
    Posts
    612

    Default Stainless & mild steel.

    I'm in the process of building hinges & a tree for the "Z"s front end. I plan to drill & tap a couple plugs & weld them in the frame rails to mount the hardware.

    My question is...... would it work to weld stainless plugs in the mild steel frame rails & use stainless bolts?
    How well does SS weld to MS?
    Would the stainless be more trouble than it's worth? I have both in stock.
    Maybe I'd be better off with a MS plug & just put a little anti-seize on the threads?

  2. #2
    Join Date
    Dec 2008
    Location
    Arizona
    Posts
    812

    Default

    Quote Originally Posted by pro70z28 View Post
    Maybe I'd be better off with a MS plug & just put a little anti-seize on the threads?
    That's what I'd do.
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  3. #3
    Join Date
    Dec 2009
    Location
    Williams Lake, British Columbia
    Posts
    722

    Default

    Stainless weld real good on Mild steel.

  4. #4
    Join Date
    Feb 2007
    Location
    West Farmington, OH
    Posts
    746

    Default

    You can TIG the stainless to the steel with 309-309L filler wire. Myself I'd go for the stainless although the mild steel and anti seize will work too. My personal preference is the stainless. I have lots of things stainless that really don't need to be.
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  5. #5
    Join Date
    Dec 2010
    Location
    Newberg, Oregon
    Posts
    29

    Default

    Welding stainless to mild steel you will have to worry about it cracking. Due to the fact they are different metal and puritys. Just don't let it cool down to fast and red wheel it when your finished and I would white wheel it to.you also have to remember that when using mild steel to stainless it will rust because it would be contaminanted because of the welding and grinding.

  6. #6
    Join Date
    May 2010
    Location
    Central CA
    Posts
    780

    Default Stainless

    I like stainless and use whenever I can.
    That said stainless steel bolts are not as strong as grade 8. A SS bolt is about like a grade 5.
    I'd go the never seize way.
    Good Luck,
    Bob
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