exhaust manifold cast would it weld to stainless?

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  • K7ERG
    S2Forum Extremist
    • Mar 2004
    • 1711
    • Country: Scotland

    #1

    exhaust manifold cast would it weld to stainless?

    Wondering if cast and stainless can be welded together? Calling all welders
    Audi A6 AEL 5cyl Quattro breaking.
    Audi A5 3.0tdi Quattro Stage 2
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  • Error404
    Super Moderator
    • Mar 2007
    • 19789
    • Country: United Kingdom

    #2
    In a word, no. What is it you're trying to do?
    Panthero Coupé quattro 20vt
    Indigo ABY coupé
    Imola B6 S4 Avant

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    • Jamo
      Retired OG Mod
      • Mar 2004
      • 21750
      • Country: United Kingdom

      #3
      It's possible but is a very specialist job, what is it your trying to do? if it's aftermarket wastegate use a flange welded to the vband for example

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      • K7ERG
        S2Forum Extremist
        • Mar 2004
        • 1711
        • Country: Scotland

        #4
        the downpipe is V band but changing the turbo so need to to connect the downpipe to exhaust housing using v band.

        Will try get my hands on a AEL downpipe and see if i can do anything with that.
        Audi A6 AEL 5cyl Quattro breaking.
        Audi A5 3.0tdi Quattro Stage 2
        07947385043

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        • Jamo
          Retired OG Mod
          • Mar 2004
          • 21750
          • Country: United Kingdom

          #5
          What turbo? if it's garrett buy the vband adapter.

          It can be done Comp turbo do it to their housings but I think it's looks a nasty job

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          • K7ERG
            S2Forum Extremist
            • Mar 2004
            • 1711
            • Country: Scotland

            #6
            Its a K24
            Audi A6 AEL 5cyl Quattro breaking.
            Audi A5 3.0tdi Quattro Stage 2
            07947385043

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            • Jamo
              Retired OG Mod
              • Mar 2004
              • 21750
              • Country: United Kingdom

              #7
              What size is the vband? as a 3" one couldn't be welded onto a k24 it's too small.

              Better off making an adapter using the K24 flange, cone SS and then Vband connector.

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              • K7ERG
                S2Forum Extremist
                • Mar 2004
                • 1711
                • Country: Scotland

                #8
                Thats what i done on my downpipe for the AAN. I used the K24 flange and welded a ss cone to take the 3" downpipe.

                My problem is i dont have a K24 downpipe to chop and i would like to keep the 3" v band downpipe.
                Audi A6 AEL 5cyl Quattro breaking.
                Audi A5 3.0tdi Quattro Stage 2
                07947385043

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                • Jamo
                  Retired OG Mod
                  • Mar 2004
                  • 21750
                  • Country: United Kingdom

                  #9
                  You can buy the flanges, s2spike, AndyP can point you in the right direction.

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                  • Lupo911
                    S2Forum Addict
                    • Apr 2005
                    • 312
                    • Country: Germany

                    #10
                    Originally posted by K7ERG
                    Wondering if cast and stainless can be welded together? Calling all welders
                    yes its possible. What Kind of Cast Material is it? If its like high Nickel Stuff,D5S or 1.4848, you can weld Stainless Steel with Inconell wire. (Tig) Works very good.

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                    • K7ERG
                      S2Forum Extremist
                      • Mar 2004
                      • 1711
                      • Country: Scotland

                      #11
                      what ever the k24 housing is made of???
                      Audi A6 AEL 5cyl Quattro breaking.
                      Audi A5 3.0tdi Quattro Stage 2
                      07947385043

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                      • Error404
                        Super Moderator
                        • Mar 2007
                        • 19789
                        • Country: United Kingdom

                        #12
                        Originally posted by Lupo911
                        yes its possible. What Kind of Cast Material is it? If its like high Nickel Stuff,D5S or 1.4848, you can weld Stainless Steel with Inconell wire. (Tig) Works very good.
                        I stand corrected - didn't know this was possible
                        Panthero Coupé quattro 20vt
                        Indigo ABY coupé
                        Imola B6 S4 Avant

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                        • Thuppu
                          S2Forum Freak
                          • Sep 2010
                          • 4115
                          • Country: Finland

                          #13
                          Do a V-band adapter.


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                          • Lupo911
                            S2Forum Addict
                            • Apr 2005
                            • 312
                            • Country: Germany

                            #14
                            Originally posted by K7ERG
                            what ever the k24 housing is made of???
                            yes, then it should be easy, with Inconell Wire and Tig.
                            Its important to clean up the Cast Part, it need to be bare Metall. Heat both Parts up and weld it together. Make sure you will cool it down very very slow!!

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                            • [RPM]
                              S2Forum Addict
                              • Dec 2009
                              • 229
                              • Home: Portugal Current: Ireland

                              #15
                              Originally posted by Lupo911
                              yes, then it should be easy, with Inconell Wire and Tig.
                              Its important to clean up the Cast Part, it need to be bare Metall. Heat both Parts up and weld it together. Make sure you will cool it down very very slow!!



                              after welded heat up the 2 parts again until red

                              to cool down slow fill half a bucket with sand place the welded part and cover with sand leave it for a good wile

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