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  1. #1
    Join Date
    Dec 2011
    Location
    Illinois
    Posts
    87

    Default stainless to mild steel

    As a noob to tig I was curiouse how would you go about welding stainless to mild steel? Im assuming it is possible no? Being that they both are welded in DC mode that is and would you use your mild steel filler or would you go with the stainless filler? that is if it is possible.

    Thanks in advance,Eric

  2. #2
    Join Date
    Feb 2012
    Posts
    561

    Default stainless to mild steel

    DC- 309 filler

  3. #3
    Join Date
    Dec 2011
    Location
    Illinois
    Posts
    87

    Default

    Thanks for the reply much appreciated.

  4. #4
    Join Date
    Apr 2012
    Posts
    16

    Default possible

    Quote Originally Posted by three turbos View Post
    As a noob to tig I was curiouse how would you go about welding stainless to mild steel? Im assuming it is possible no? Being that they both are welded in DC mode that is and would you use your mild steel filler or would you go with the stainless filler? that is if it is possible.

    Thanks in advance,Eric
    yes it is possible. however the filler rod must be stainless. remember there are different grades of stainless,used in different industries.

    what happens is the weld (stainless) is stronger than mind steel. do not, weld using mild steel,then your weld is weaker than stainless.
    normally an aloy stell and mild steel ,have expansion and contraction rates. that means that they heat and cool differntly. this could cause stress in your weld. so ,if you wish to weld ,using the two steels,preheat and after welding- post heat. that will alow the weld to cool slowley. reduceing the stress,thta may cause,or ,could cause a crack,ok?

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